Beautifully. I spent this morning (well, actually I got up at 11, so more like afternoon
) slinging around some tennisballs and trying out new styles. I lost one tennisball trying to do that underhand style in Jurek's videos. It just disappeared. I looked all over every way, but I couldn't find it. Good thing tennis balls are cheap
. Anyway, I love being able to adjust both the length and pouch size of the sling. If the ball slips through, I make the pouch a little smaller, if it slips off, I make it a bit bigger. And I can extend/shorten the sling to fit the lenght I like. Plus, since it's easy to adjust, I can wear it easily as a belt. And, since it has no pouch, I don't look
too rediculous doing so...