Originally Posted by Mongolmike
After a match I use mine for practice balls (obviously). I've got a 75 ball hopper. When that gets filled I take out the worst of them and leave them on the court. They always seem to disappear... whether its kids taking them, or players using them... its all good to me. Someone is taking them for some reason.
+1 on this, they vaporize, like magic!
The teacher idea is a good one too, neighbor teacher used to beg me for tennis balls for the chairs and desks......
Neighborhood pups love em too!