diff --git a/keymap.ino b/keymap.ino
index 183b2d2..2b9d0b3 100644
--- a/keymap.ino
+++ b/keymap.ino
@@ -58,6 +58,7 @@
   */
 
 enum { MACRO_VERSION_INFO,
+       MACRO_ANY
      };
 
 
@@ -127,7 +128,7 @@ KEYMAPS(
    Key_LeftControl, Key_Backspace, Key_LeftGui, Key_LeftShift,
    ShiftToLayer(FUNCTION),
 
-   ___,           Key_6, Key_7, Key_8,     Key_9,         Key_0,         Key_Equals,
+   M(MACRO_ANY),  Key_6, Key_7, Key_8,     Key_9,         Key_0,         Key_Equals,
    Key_Enter,     Key_Y, Key_U, Key_I,     Key_O,         Key_P,         Key_Backslash,
                   Key_H, Key_J, Key_K,     Key_L,         Key_Semicolon, Key_Quote,
    Key_RightAlt,  Key_N, Key_M, Key_Comma, Key_Period,    Key_Slash,     Key_Minus,
@@ -180,6 +181,27 @@ static void versionInfoMacro(uint8_t keyState) {
   }
 }
 
+/** anyKeyMacro is used to provide the functionality of the 'Any' key.
+ *
+ * When the 'any key' macro is toggled on, a random alphanumeric key is
+ * selected. While the key is held, the function generates a synthetic
+ * keypress event repeating that randomly selected key.
+ *
+ */
+
+static void anyKeyMacro(uint8_t keyState) {
+  static Key lastKey;
+  bool toggledOn = false;
+  if (keyToggledOn(keyState)) {
+    lastKey.setKeyCode(Key_A.getKeyCode() + (uint8_t)(millis() % 36));
+    toggledOn = true;
+  }
+
+  if (keyIsPressed(keyState))
+    Kaleidoscope.hid().keyboard().pressKey(lastKey, toggledOn);
+}
+
+
 /** macroAction dispatches keymap events that are tied to a macro
     to that macro. It takes two uint8_t parameters.
 
@@ -194,9 +216,14 @@ static void versionInfoMacro(uint8_t keyState) {
 
 const macro_t *macroAction(uint8_t macroIndex, uint8_t keyState) {
   switch (macroIndex) {
+
   case MACRO_VERSION_INFO:
     versionInfoMacro(keyState);
     break;
+
+  case MACRO_ANY:
+    anyKeyMacro(keyState);
+    break;
   }
   return MACRO_NONE;
 }
@@ -226,6 +253,21 @@ void hostPowerManagementEventHandler(kaleidoscope::plugin::HostPowerManagement::
   toggleLedsOnSuspendResume(event);
 }
 
+/** This 'enum' is a list of all the magic combos used by the Model 01's
+ * firmware The names aren't particularly important. What is important is that
+ * each is unique.
+ *
+ * These are the names of your magic combos. They will be used by the
+ * `USE_MAGIC_COMBOS` call below.
+ */
+enum {
+  // Toggle between Boot (6-key rollover; for BIOSes and early boot) and NKRO
+  // mode.
+  COMBO_TOGGLE_NKRO_MODE,
+  // Enter test mode
+  COMBO_ENTER_TEST_MODE
+};
+
 // First, tell Kaleidoscope which plugins you want to use.
 // The order can be important. For example, LED effects are
 // added in the order they're listed here.