Here's what happens:

The magician removes their house keys from a keychain. One of the keys is put into the spectator's hand for safekeeping. The magician then plucks the hole right off the key they are holding. When the spectator opens their hand, the key they are holding now has two holes! The magician then visibly removes the second hole from the key that the spectator is holding and transplants it to the stem of the original key. The best part is that everything can be examined.

Keymaster comes with four specially gimmicked key blanks that are ready to go right out of the box. In addition to the original three gimmicks, you now receive an additional fourth gimmick that allows you to show the entire key with no hole in it. These keys have even been crafted as blanks using a common lock type, so you can take Keymaster down to the hardware store and get the keys cut to fit the lock on most locksets for your front door. Owners of the original will love the updated routines. Keymaster comes with ten full routines that can be linked together to create a full set of magic. There are even bonus routines that incorporate business cards, ring on string, and many other incredible effects. The sleights are easy to perform, and Craig breaks all of the moves down so magicians of any skill level can add this to their repertoire. You never leave the house without your keys, and now you'll never leave the house without a miracle when you perform Keymaster by Craig Petty.