Chinese finger trap

When two men touch the heads of there penis while a third man jerks them off simultaneously

Jim and john touched dick tips while bobs jerked them off while looking like a chinese finger trap

Reverse Chinese Finger Trap

When you take a long, double sided barbed sounding rod and and shove it down both you and a friend’s urethra at the same time. You then both attempt to pull the rod out of your dicks leading to a mixture of intense pain and pleasure. The orgasm that follows consists of semen and blood and resembles mayochup.

Evan: Are you down to lick some dog nuts today?
John: No, fuck you Evan. Me and Tim are going to reverse chinese finger trap.