Just the plastic sheet that you put over the rubber to protect it when you are not using it. They are not essential. You can use any plastic or put your bat in a plastic bag.
Ji-Soo Woo Posted 13 years ago
I use a cutout from an overhead transparency. Are they mainly useful to protect the tackiness of tacky rubbers? I find it's hard to keep these stuck on to rubbers if they are non-tacky.
Claus Hamacher Posted 13 years ago
One thing that is important to remember is to clean your bat before putting on the rubber sheet. Otherwise it will cause more harm than benefit.
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Ian Costello Posted 13 years ago
Ji-Soo Woo Posted 13 years ago
Claus Hamacher Posted 13 years ago