One imagines this is common enough now, but just imagine as a basketball player going from a Blazer or a Bruin to an Air Force 1. We wouldn't have wanted to give them back, either. It is entirely possible that DJ Clark Kent himself still has a weartest pair that he never actually weartested (the statute of limitations has expired, right?).
11. When They Gave Out Weartest Samples, People Refused To Give Them Back