I just love that. My friend uses my balls monthly for a ball squash, She puts her 153 lbs on both balls first, then moves her heel to one ball, then the other ball. The whole time she has the other foot off the ground. I am always wondering is this going to be the time a ball ruptures?
Last edited by Mike9988; 10-20-2013 at 09:26 AM.
Reason: trying to add another pic