diff --git a/config/totem.keymap b/config/totem.keymap
index 4e8fc0f..629e44f 100644
--- a/config/totem.keymap
+++ b/config/totem.keymap
@@ -6,9 +6,11 @@
 
 #include <behaviors.dtsi>
 #include <dt-bindings/zmk/keys.h>
+#include <dt-bindings/zmk/bt.h>
 
 #define BASE 0
 #define UML  1
+#define BT   2
 
 / {
     macros {
@@ -36,6 +38,30 @@
             #binding-cells = <0>;
             bindings = <&macro_press &kp RALT>, <&macro_tap &kp N>, <&macro_release &kp RALT>;
         };
+        lbrace: lbrace {
+            label = "LBRACE";
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&macro_press &kp RALT>, <&macro_tap &kp N8>, <&macro_release &kp RALT>;
+        };
+        rbrace: rbrace {
+            label = "RBRACE";
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&macro_press &kp RALT>, <&macro_tap &kp N9>, <&macro_release &kp RALT>;
+        };
+        lparen: lparen {
+            label = "LPAREN";
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&macro_press &kp LSHFT>, <&macro_tap &kp N8>, <&macro_release &kp LSHFT>;
+        };
+        rparen: rparen {
+            label = "RPAREN";
+            compatible = "zmk,behavior-macro";
+            #binding-cells = <0>;
+            bindings = <&macro_press &kp LSHFT>, <&macro_tap &kp N9>, <&macro_release &kp LSHFT>;
+        };
         gt_sign: gt_sign {
             label = "GREATER";
             compatible = "zmk,behavior-macro";
@@ -65,7 +91,7 @@ label = "BASE";
         &kp Q      &kp W      &kp F      &kp P      &kp B          &kp J      &kp L      &kp U      &kp Z      &qmark
         &kp A      &kp R      &kp S      &kp T      &kp G          &kp M      &kp N      &kp E      &kp I      &kp O
 &kp LSHFT &kp Y    &kp X      &kp C      &kp D      &kp V          &kp K      &kp H      &slash     &kp DOT    &kp COMMA  &kp ESC
-                                    &kp SPACE  &mo UML    &kp RET        &kp LCTRL  &kp LGUI   &kp BSPC
+                                    &kp SPACE  &mo UML    &kp RET        &lt BT LCTRL &kp LGUI &kp BSPC
                 >;
         };
 
@@ -76,18 +102,40 @@ label = "UML";
 //              ┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┓   ┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┓
 //              ┃     1     ┃     2     ┃     3     ┃     4     ┃     5     ┃   ┃     +     ┃     @     ┃     Ü     ┃           ┃     ~     ┃
 //              ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫
-//              ┃     Ä     ┃           ┃     ß     ┃           ┃           ┃   ┃     -     ┃     <     ┃     >     ┃           ┃     Ö     ┃
+//              ┃     Ä     ┃           ┃     ß     ┃           ┃    UP     ┃   ┃     -     ┃     <     ┃     >     ┃           ┃     Ö     ┃
 // ┏━━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━━┓
-// ┃            ┃           ┃           ┃           ┃           ┃           ┃   ┃     6     ┃     7     ┃     8     ┃     9     ┃     0     ┃           ┃
+// ┃            ┃           ┃   LEFT    ┃           ┃   DOWN    ┃   RIGHT   ┃   ┃     6     ┃     7     ┃     8     ┃     9     ┃     0     ┃           ┃
+// ┗━━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━━┛
+//                                      ┃    TAB    ┃   trans   ┃    ALT    ┃   ┃    CTRL   ┃    (      ┃     )     ┃
+//                                      ┗━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━┛   ┗━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━┛
+    bindings = <
+//   ╷           ╷           ╷           ╷           ╷           ╷           ╷   ╷           ╷           ╷           ╷           ╷           ╷           ╷
+        &kp N1     &kp N2     &kp N3     &kp N4     &kp N5         &kp KP_PLUS &at        &kp LBKT   &lbrace   &tilde
+        &kp SQT    &none      &kp MINUS  &none      &kp UP          &kp FSLH    &kp GRAVE  &gt_sign   &rbrace   &kp SEMI
+&trans    &none     &kp LEFT   &none      &kp DOWN   &kp RIGHT       &kp N6     &kp N7     &kp N8     &kp N9     &kp N0     &kp KP_MULTIPLY
+                                    &kp TAB    &trans     &kp LALT        &kp LCTRL  &lparen    &rparen
+                >;
+        };
+
+        bt_layer {
+// ╔══════════════════════════════════════╗
+label = "BT";
+// ╚══════════════════════════════════════╝
+//              ┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┓   ┏━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━┓
+//              ┃    BT1    ┃    BT2    ┃    BT3    ┃    BT4    ┃           ┃   ┃           ┃           ┃           ┃           ┃           ┃
+//              ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫
+//              ┃           ┃           ┃           ┃           ┃           ┃   ┃           ┃           ┃           ┃           ┃           ┃
+// ┏━━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━━┓
+// ┃            ┃           ┃           ┃           ┃           ┃           ┃   ┃           ┃           ┃           ┃           ┃           ┃           ┃
 // ┗━━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┫   ┣━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━╋━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━━┛
 //                                      ┃           ┃           ┃           ┃   ┃           ┃           ┃           ┃
 //                                      ┗━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━┛   ┗━━━━━━━━━━━┻━━━━━━━━━━━┻━━━━━━━━━━━┛
     bindings = <
 //   ╷           ╷           ╷           ╷           ╷           ╷           ╷   ╷           ╷           ╷           ╷           ╷           ╷           ╷
-        &kp N1     &kp N2     &kp N3     &kp N4     &kp N5         &kp KP_PLUS &at        &kp LBKT   &none      &tilde
-        &kp SQT    &none      &kp MINUS  &none      &none          &kp FSLH    &kp GRAVE  &gt_sign   &none      &kp SEMI
-&trans    &none     &none      &none      &none      &none          &kp N6     &kp N7     &kp N8     &kp N9     &kp N0     &none
-                                    &trans     &trans     &trans         &trans     &trans     &trans
+&bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &none         &none      &none      &none      &none      &none
+        &none      &none      &none      &none      &none          &none      &none      &none      &none      &none
+&none    &none     &none      &none      &none      &none          &none      &none      &none      &none      &none      &none
+                                    &none      &none      &none          &trans     &none      &none
                 >;
         };
     };