diff --git a/config/abyss.conf b/config/abyss.conf
index 3028525..ac608db 100644
--- a/config/abyss.conf
+++ b/config/abyss.conf
@@ -3,3 +3,6 @@ CONFIG_ZMK_SLEEP=y
 
 # Milliseconds of inactivity before entering deep sleep (default 900000) (set to 5min)
 CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=300000
+
+# better bluetooth
+CONFIG_ZMK_BLE_EXPERIMENTAL_CONN=y
diff --git a/config/abyss.keymap b/config/abyss.keymap
index 97d65cf..8e8ae32 100644
--- a/config/abyss.keymap
+++ b/config/abyss.keymap
@@ -3,6 +3,7 @@
 #include <dt-bindings/zmk/bt.h>
 
 #define SY 1
+#define OT 2
 
 / {
     behaviors {
@@ -114,7 +115,7 @@
 //├─────────────┼─────────────┼─────────────┼─────────────┼─────────────╯  ╰─────────────┼─────────────┼─────────────┼─────────────┼─────────────┤
     &kp SQT       &kp Q         &kp J         &kp K                                        &kp M         &kp W         &kp V         &kp L
 //╰───────────────────────────┼─────────────┼─────────────┼─────────────╮  ╭─────────────┼─────────────┼─────────────┼───────────────────────────╯
-                                &left_tab     &lt_spc SY 0  &kp ESC          &kp RET      &lt_bspc SY 0  &up_ret
+                                &left_tab     &lt_spc SY 0  &lt OT ESC          &kp RET      &lt_bspc SY 0  &up_ret
 //                            ╰─────────────┴─────────────┴─────────────╯  ╰─────────────┴─────────────┴─────────────╯
             >;
         };
@@ -129,6 +130,20 @@
     &kp GRAVE         &kp AMPS        &kp STAR         &kp PIPE                                        &kp N1        &kp N2        &kp N3        &kp BSLH
 //╰─────────────────────────────────┼────────────────┼────────────────┼─────────────╮  ╭─────────────┼─────────────┼─────────────┼──────────────────────────────╯
                                       &trans           &trans           &trans           &trans        &trans        &kp N0
+//                                  ╰────────────────┴────────────────┴─────────────╯  ╰─────────────┴─────────────┴─────────────╯
+            >;
+        };
+
+        others {
+            bindings = <
+//                  ╭───────────────┬────────────────┬────────────────┬─────────────╮  ╭─────────────┬─────────────┬─────────────┬─────────────╮
+                      &none           &none            &none            &none            &none         &bt BT_CLR    &none         &none
+//╭─────────────────┼───────────────┼────────────────┼────────────────┼─────────────┤  ├─────────────┼─────────────┼─────────────┼─────────────┼────────────────╮
+    &none             &none           &none            &none            &none            &bt BT_SEL 4  &bt BT_SEL 0  &bt BT_SEL 1  &bt BT_SEL 2  &bt BT_SEL 3
+//├─────────────────┼───────────────┼────────────────┼────────────────┼─────────────╯  ╰─────────────┼─────────────┼─────────────┼─────────────┼────────────────┤
+    &none             &none           &none            &none                                           &none         &none         &none         &none
+//╰─────────────────────────────────┼────────────────┼────────────────┼─────────────╮  ╭─────────────┼─────────────┼─────────────┼──────────────────────────────╯
+                                      &trans           &trans           &trans           &trans        &trans        &trans
 //                                  ╰────────────────┴────────────────┴─────────────╯  ╰─────────────┴─────────────┴─────────────╯
             >;
         };
diff --git a/draw/keymap.svg b/draw/keymap.svg
index 90f083c..84a7539 100644
--- a/draw/keymap.svg
+++ b/draw/keymap.svg
@@ -1,4 +1,4 @@
-<svg width="765" height="1040" viewBox="0 0 765 1040" class="keymap" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg width="765" height="1320" viewBox="0 0 765 1320" class="keymap" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <style>/* inherit to force styles through use tags */
 svg path {
     fill: inherit;
@@ -232,6 +232,7 @@ path.combo {
 <g transform="translate(300, 196)" class="key keypos-28">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
 <text x="0" y="0" class="key tap">ESC</text>
+<text x="0" y="24" class="key hold">others</text>
 </g>
 <g transform="translate(390, 196)" class="key keypos-29">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
@@ -446,8 +447,127 @@ path.combo {
 </g>
 </g>
 </g>
-<text x="30" y="588" class="label">Combos:</text>
-<g transform="translate(30, 560)" class="layer-combopos-0">
+<g transform="translate(30, 560)" class="layer-others">
+<text x="0" y="28" class="label">others:</text>
+<g transform="translate(0, 56)">
+<g transform="translate(90, 28)" class="key keypos-0">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(150, 28)" class="key keypos-1">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(210, 28)" class="key keypos-2">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(270, 56)" class="key keypos-3">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(420, 56)" class="key keypos-4">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(480, 28)" class="key keypos-5">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">
+<tspan x="0" dy="-0.6em">BT</tspan><tspan x="0" dy="1.2em">CLR</tspan>
+</text>
+</g>
+<g transform="translate(540, 28)" class="key keypos-6">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(600, 28)" class="key keypos-7">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(30, 112)" class="key keypos-8">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(90, 84)" class="key keypos-9">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(150, 84)" class="key keypos-10">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(210, 84)" class="key keypos-11">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(270, 112)" class="key keypos-12">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(420, 112)" class="key keypos-13">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">BT</text>
+<text x="0" y="24" class="key hold">4</text>
+</g>
+<g transform="translate(480, 84)" class="key keypos-14">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">BT</text>
+<text x="0" y="24" class="key hold">0</text>
+</g>
+<g transform="translate(540, 84)" class="key keypos-15">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">BT</text>
+<text x="0" y="24" class="key hold">1</text>
+</g>
+<g transform="translate(600, 84)" class="key keypos-16">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">BT</text>
+<text x="0" y="24" class="key hold">2</text>
+</g>
+<g transform="translate(660, 112)" class="key keypos-17">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+<text x="0" y="0" class="key tap">BT</text>
+<text x="0" y="24" class="key hold">3</text>
+</g>
+<g transform="translate(30, 168)" class="key keypos-18">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(90, 140)" class="key keypos-19">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(150, 140)" class="key keypos-20">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(210, 140)" class="key keypos-21">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(480, 140)" class="key keypos-22">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(540, 140)" class="key keypos-23">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(600, 140)" class="key keypos-24">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(660, 168)" class="key keypos-25">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key"/>
+</g>
+<g transform="translate(180, 196)" class="key trans keypos-26">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key trans"/>
+<text x="0" y="0" class="key trans tap">▽</text>
+</g>
+<g transform="translate(240, 196)" class="key trans keypos-27">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key trans"/>
+<text x="0" y="0" class="key trans tap">▽</text>
+</g>
+<g transform="translate(300, 196)" class="key held keypos-28">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key held"/>
+</g>
+<g transform="translate(390, 196)" class="key trans keypos-29">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key trans"/>
+<text x="0" y="0" class="key trans tap">▽</text>
+</g>
+<g transform="translate(450, 196)" class="key trans keypos-30">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key trans"/>
+<text x="0" y="0" class="key trans tap">▽</text>
+</g>
+<g transform="translate(510, 196)" class="key trans keypos-31">
+<rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key trans"/>
+<text x="0" y="0" class="key trans tap">▽</text>
+</g>
+</g>
+</g>
+<text x="30" y="868" class="label">Combos:</text>
+<g transform="translate(30, 840)" class="layer-combopos-0">
 <g transform="translate(0, 56)">
 <g transform="translate(30, 28)" class="key  combo-separate keypos-0">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key  combo-separate"/>
@@ -551,7 +671,7 @@ path.combo {
 </g>
 </g>
 </g>
-<g transform="translate(405, 560)" class="layer-combopos-1">
+<g transform="translate(405, 840)" class="layer-combopos-1">
 <g transform="translate(0, 56)">
 <g transform="translate(30, 28)" class="key  combo-separate keypos-0">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key  combo-separate"/>
@@ -655,7 +775,7 @@ path.combo {
 </g>
 </g>
 </g>
-<g transform="translate(30, 786)" class="layer-combopos-2">
+<g transform="translate(30, 1066)" class="layer-combopos-2">
 <g transform="translate(0, 28)">
 <g transform="translate(30, 28)" class="key  combo-separate keypos-0">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key  combo-separate"/>
@@ -759,7 +879,7 @@ path.combo {
 </g>
 </g>
 </g>
-<g transform="translate(405, 786)" class="layer-combopos-3">
+<g transform="translate(405, 1066)" class="layer-combopos-3">
 <g transform="translate(0, 28)">
 <g transform="translate(30, 28)" class="key  combo-separate keypos-0">
 <rect rx="6" ry="6" x="-28" y="-26" width="56" height="52" class="key  combo-separate"/>