The Young Forceps Clamps are a Kink Industries product made for medical play. When they call these the ultimate clip, they seriously are not joking around. Actually ,these forceps can “lock” on multiple settings. There is a little jagged-tooth edge where the two scissoring ends meet, and when you pull the little scissoring hands close together, the two jagged-tooth edges will lock onto one another. There are five different settings. The first three loosest settings are easy to use and to unlock .The strongest/tightest two settings are actually so tight than It can’t be unlock from your end you will actually have to call your partner in to unlock them for you. By your Young Forceps Clamps now .