Crack World Records  

Juan Carlos cracked 10 hazelnuts with his butt in 10 seconds.

Demythrate cracked his wrist 390 times in 30 seconds.

Brendan K. cracked his kneecap 108 times in 30 seconds.

April Choi cracked a whip 364.5 feet in length. The record was set at Richwood High School in Peoria, Illinois. The measurement of the whip was made by a licensed professional land surveyor for the State of Illinois, Caleb Johnson, with a Timble S5 Robotic Total Station, and overseen by Steven Kerr, one of the owners of a land surveying company.

Nick O. cracked five eggs with his bare hand in 2.16 seconds.

Demythrate cracked his wrist 780 times in one minute.

Demythrate cracked his shoulder 150 times in 30 seconds.