Bat rolling a bat has been proven to add 20-40 ft to a batted ball; it will also widen the sweet spot up to 20%. A bat rolling machine will break up the composite material within the barrel of the bat by adding pressure while rolling. A bat is placed in between the rollers, the top rollers are torqued down, and the side handle rotates the bottom roller and bat. As the rollers spin they place pressure all the way around the barrel. This constant pressure and rotation breaks down the composite fibers causing a trampoline effect when a ball strikes the barrel. And now you have a hot bat ready for maximum performance.
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