I was at my ball-stretching session today for about a minute when disaster occurred: the rope slipped and one ball came out of the rope. Fortunately the other ball slipped through and I got away with it landing unceremoniously on the ground. There was a slight ache, as if I'd been kicked in the balls. Tolerable.
I've been doing it for a year now ans this has never happened; I was trying to take a photo and my balls were a bit taut when I attached the rope - not loose. I blame that, and the baize wasn't tight enough too.
Hopefully it'll be business as usual tomorrow.