Del,Currently every bat we've tested has woekrd just fine. The hole and chamber at the top of the Poptoss is big enough in diameter to handle all sizes of bat knobs even re-wrapped grips. The only thing that is not recommended is using the spongy rubber covers that some hitters put on the bat knob. Because these are not held on the bat very well they might fall off when loading the Poptoss. Pros: Del,Currently every bat we've tested has woekrd just fine. The hole and chamber at the top of the Poptoss is big enough in diameter to handle all sizes of bat knobs even re-wrapped grips. The only thing that is not recommended is using the spongy r Cons: Del,Currently every bat we've tested has woekrd just fine. The hole and chamber at the top of the Poptoss is big enough in diameter to handle all sizes of bat knobs even re-wrapped grips. The only thing that is not recommended is using the spongy r Bottom Line: I would recommend to a friend |