During an impact, the shell can transfer back and forth, absorbing and redirecting forces that would normally Visit the brain. The sliding movement on the shell lessens rotational forces to the brain, lessening the potential risk of rotational brain personal injury. Look for helmets that are DOT Licensed, and make https://punching-bag-with-stand53865.blogscribble.com/40006610/how-much-you-need-to-expect-you-ll-pay-for-a-good-guantes