☰ mtdb > Tricks > Trick< Back to all tricksMaster Key Rings Permalink: mtdb.co/?MasterKeyRings Creator: Joe Porper Here is a new creation for one of the oldest tricks. Joe calls it The Master Key. What you get are a set of rings, one solid the other is a unique, new way, locking key. It is unlocked simply by tapping it (the right way) with another ring. It opens automatically. It closes and re-locks... Buy From: REVIEWS No Reviews Yet. about | login | register | dealers | tricks | creators | contact |