Most Times For Two People To Simultaneously Open And Close Hands In 10 Seconds
Fort Collins, Colorado, United States / July 17, 2012
River Holmes Miller and his friend simultaneously opened and closed their hands 30 times in 10 seconds.
- must fully close hands before opening and vice versa
World record on 6/13/201544
Connor Copley on 7/28/201230
River Holmes Miller on 7/17/2012