It’s your decision, but I would totally trust my keys to this Suicide Squad The Joker Finders Keypers Statue. That way I know for sure that I would never lose them again. The Joker would always have them.
Finders Keypers are statues of your favorite superheroes and villains, with a built-in key chain holder for your keys! This one is all about the Clown Prince of Crime on a diorama base that also features his logo as a removable key chain! He stands 10-inches tall.
Only $29.99 from Entertainment Earth.