You’ll always know which key is which with a set of Escape and Enter Key Covers. Which key is used to open the door? The “enter” key, of course. These key toppers fit on most keys and are made from computer keys so you’re putting keys on your keys which is key if you’re keen on keeping keys on keychains (easy for me to type, right?). $4.99 a set.
2 KeylessOption Replacement Keyless Entry Remote Control Key Fob Clicker Transmitter 3 Button - Black