Carbon WILL REDUCE SLIPPING: on the bar and allow you to keep banging those pull-ups out. Great for the speal bar as well! Protect your hands and palms during Pull-ups, Chest to bar, Muscle ups, Toes to Bar (T2B), Knees to Elbow (K2E), Kettlebell swings, Powerlifting, Power Cleans, Deadlifts, Snatches, Gymnastics, and more!