| In general any composite bat will benefit from | | | | out and the glue holding the layers together is |
| being rolled. Due to the makeup of the carbon | | | | broken down. The is the same thing that happens |
| fiber layers that make up a composite bat every | | | | as you take hours of batting practice. This causes |
| composite bat gets better with use. By rolling | | | | the fibers to become more flexible which greatly |
| your bat you break your bat in a more controlled | | | | improves the bat's trampoline effect. This |
| environment. | | | | trampoline effect is what produces the batted ball |
| When rolling a bat, it's placed between two rollers | | | | speed and distance. It will also widen the sweet |
| of a bat rolling machine and then pressure is | | | | spot of the bat which will make you a more |
| applied to the rollers like a vice. As the bat passes | | | | consistent hitter. |
| through the rollers the bats fibers are stretched | | | | |