diff --git a/src/addr.h b/src/addr.h
index 156ce8e8..24e8054a 100644
--- a/src/addr.h
+++ b/src/addr.h
@@ -34,5 +34,11 @@ inline uint8_t col(uint8_t key_addr) {
 inline uint8_t addr(uint8_t row, uint8_t col) {
   return ((row * COLS) + col);
 }
+inline void mask(uint8_t key_addr) {
+  KeyboardHardware.maskKey(row(key_addr), col(key_addr));
+}
+inline void unmask(uint8_t key_addr) {
+  KeyboardHardware.maskKey(row(key_addr), col(key_addr));
+}
 } // namespace addr {
 } // namespace kaleidoscope {