Hammer Bowling Balls. As the newest weapon for heavy oil in the Hammer Bowling arsenal, the Hammer Hawg brings domination to a new level. With the proven Cut Throat coverstock, this high performance ball is the strongest hooking ball in the Hammer Bowling product line. Wallet Promotion Buy the Hammer Hawg bowling ball, send Hammer your box label and receipt to the address below, and get Hammer's Hawg embossed leather wallet, free.HammerPO Box 746Hopkinsville, KY 42241 0746Follow this link for a copy of the redemption formFree Hawg Wallet