diff --git a/config/corne.keymap b/config/corne.keymap
index 28a6bee..94ea001 100644
--- a/config/corne.keymap
+++ b/config/corne.keymap
@@ -29,6 +29,11 @@
 
   combos {
     compatible = "zmk,combos";
+
+    new_combo {
+      bindings = <&trans>;
+      key-positions = <>;
+    };
   };
 
   macros {
@@ -48,10 +53,10 @@
 
     raise {
       bindings = <
-&trans  &kp END  &kp PAGE_DOWN    &kp UP  &kp PAGE_UP  &kp HOME    &kp KP_NUMBER_7  &kp KP_NUMBER_8  &kp KP_NUMBER_9      &kp KP_PLUS   &kp KP_MINUS  &trans
-&trans   &trans       &kp LEFT  &kp DOWN    &kp RIGHT    &trans    &kp KP_NUMBER_4  &kp KP_NUMBER_5  &kp KP_NUMBER_6  &kp KP_MULTIPLY  &kp KP_DIVIDE  &trans
-&trans   &trans         &trans    &trans       &trans    &trans    &kp KP_NUMBER_1  &kp KP_NUMBER_2  &kp KP_NUMBER_3     &kp KP_COMMA     &kp KP_DOT  &trans
-                                  &trans       &trans    &trans    &kp KP_NUMBER_0            &mo 3     &kp KP_EQUAL
+   &trans     &kp END  &kp PAGE_DOWN      &kp UP  &kp PAGE_UP    &kp HOME    &kp KP_NUMBER_7  &kp KP_NUMBER_8  &kp KP_NUMBER_9      &kp KP_PLUS   &kp KP_MINUS     &trans
+   &trans      &trans       &kp LEFT    &kp DOWN    &kp RIGHT      &trans    &kp KP_NUMBER_4  &kp KP_NUMBER_5  &kp KP_NUMBER_6  &kp KP_MULTIPLY  &kp KP_DIVIDE     &trans
+&sk LCTRL  &kp K_UNDO    &kp K_PASTE  &kp K_COPY  &kp K_PASTE  &kp K_REDO    &kp KP_NUMBER_1  &kp KP_NUMBER_2  &kp KP_NUMBER_3     &kp KP_COMMA     &kp KP_DOT  &sk RCTRL
+                                          &trans       &trans      &trans    &kp KP_NUMBER_0            &mo 3     &kp KP_EQUAL
       >;
     };