diff --git a/zmk-config/config/boards/shields/7skb/7skb.keymap b/zmk-config/config/boards/shields/7skb/7skb.keymap
index e223132a..58045c8c 100644
--- a/zmk-config/config/boards/shields/7skb/7skb.keymap
+++ b/zmk-config/config/boards/shields/7skb/7skb.keymap
@@ -8,18 +8,64 @@
 #include <dt-bindings/zmk/keys.h>
 #include <dt-bindings/zmk/bt.h>
 
-/ {
-        keymap {
-                compatible = "zmk,keymap";
+#define LAYER_ID_DEFAULT 0
+#define LAYER_ID_FUNC 1
+#define LAYER_ID_ALT 2
 
-                default_layer {
-                        bindings = <
-   &kp ESC   &kp N1 &kp N2 &kp N3 &kp N4 &kp N5 &kp N6 &kp N7 &kp N8 &kp N9 &kp N0 &kp MINUS &kp EQUAL &kp BACKSLASH &kp GRAVE
-   &kp TAB &kp Q &kp W &kp E &kp R &kp T &kp Y &kp U &kp I &kp O &kp P &kp LBRC &kp RBRC &kp BACKSPACE
-   &kp LCTRL &kp A &kp S &kp D &kp F &kp G &kp H &kp J &kp K &kp L &kp SEMI &kp SINGLE_QUOTE &kp ENTER
-   &kp LSHFT &kp Z &kp X &kp C &kp V &kp B &kp N &kp M &kp COMMA &kp DOT &kp SLASH &kp RSHFT &kp N7
-   &kp LALT &kp LGUI &kp SPACE &kp N1 &kp N2 &kp SPACE &kp RGUI &kp RALT
-                        >;
-                };
+/ {
+    behaviors {
+        tildeesc: tilde_escape {
+            compatible = "zmk,behavior-mod-morph";
+            label = "TILDE_ESCAPE";
+            #binding-cells = <0>;
+            bindings = <&kp ESC>, <&kp TILDE>;
+            mods = <(MOD_LSFT)>;
         };
+    };
+
+    combos {
+        compatible = "zmk,combos";
+        combo_layer_navigation { 
+            key-positions = <35 20 37>; 
+            bindings = <&tog LAYER_ID_FUNC>; 
+        };
+    };
+
+    keymap {
+        compatible = "zmk,keymap";
+
+        default_layer {
+            label = "ANSI";
+            bindings = <
+&tildeesc        &kp N1 &kp N2 &kp N3 &kp N4 &kp N5     &kp N6 &kp N7 &kp N8    &kp N9  &kp N0    &kp MINUS &kp EQUAL &kp BSPC &kp BSPC
+&kp TAB          &kp Q  &kp W  &kp E  &kp R  &kp T      &kp Y  &kp U  &kp I     &kp O   &kp P     &kp LBKT  &kp RBKT  &kp BSLH
+&mo LAYER_ID_ALT &kp A  &kp S  &kp D  &kp F  &kp G      &kp H  &kp J  &kp K     &kp L   &kp SEMI  &kp SQT   &kp ENTER
+&kp LSHFT        &kp Z  &kp X  &kp C  &kp V  &kp B      &kp N  &kp M  &kp COMMA &kp DOT &kp SLASH &kp RSHFT &none
+    &kp LCTRL &kp LGUI &kp LALT &kp SPACE                   &tog LAYER_ID_FUNC &mo LAYER_ID_FUNC &kp RCTRL &kp RALT
+            >;
+        };
+
+        function_layer {
+            label = "Function";
+            
+            bindings = <
+&kp GRAVE  &kp F1       &kp F2       &kp F3       &kp F4       &kp F5          &kp F6 &kp F7 &kp F8 &kp F9 &kp F10 &kp F11 &kp F12 &kp DEL &kp DEL
+&kp CAPS   &kp PG_UP    &kp HOME     &kp END      &trans       &trans          &trans &trans &trans &trans &trans  &trans  &trans  &kp INS
+&bt BT_CLR &bt BT_SEL 0 &bt BT_SEL 1 &bt BT_SEL 2 &bt BT_SEL 3 &bt BT_SEL 4    &trans &trans &trans &trans &bootloader &reset &kp C_PLAY_PAUSE
+    &trans &trans &trans &trans                                                    &trans &kp C_VOL_UP &kp C_VOL_DN &kp C_MUTE
+            >;
+        };
+
+        alt_layer {
+            label = "Alt";
+            
+            bindings = <
+&trans &kp LA(F1) &kp LA(F2) &kp LA(F3) &kp LA(F4) &kp LA(F5)    &kp LA(F6) &kp LA(F7) &kp LA(F8) &kp LA(F9) &kp LA(F10) &kp LA(F11) &kp LA(F12) &trans &trans
+&trans &trans     &trans     &trans     &trans     &trans        &trans     &trans     &trans     &trans     &trans      &trans      &trans      &trans
+&trans &trans     &trans     &trans     &trans     &trans        &trans     &trans     &trans     &trans     &trans      &trans      &trans
+&trans &trans     &trans     &trans     &trans     &trans        &trans     &trans     &trans     &trans     &trans      &trans      &none
+    &trans &trans &trans &trans                                      &trans &trans &trans &trans
+            >;
+        };
+    };
 };