Feb 11, 2014 Guarantee3 Updates You can find Guarantee3 all over the place! We're at your local gym, all over the internet and could be on the road near you! Here's what we've been up to recently: Interested in these Sweatshirts and sweatpants? Could be coming soon to the online store! Keep your eye out for the Guarantee3 Cruiser in California! Owner Dave Felkel auditioned for the hit show, Shark Tank! Guarantee3 visited local gyms and basketball tournaments! Keep tuned for more Guarantee3 updates! And as always, don't forget to pick up the best basketball trainer for sale in our store!