Total Control Hand Path Heavy Trainer BatTCB Hand Path Heavy Trainer is a take on the popular Cam Trainer Use this bat off the tee, for soft toss, or BP. Heavy Trainers build strength, build the core muscles and forearms used for swinging, and bat speed. Heavy Trainers should be used for your warms ups on the tee and soft toss. Dont over do using a heavy trainer. It takes time to build muscle if you havent been using this kind of trainer. Heavy trainer comes in lengths from 32 and 33 and are