Dragon LU 3 hole hand grips are made from microfiber material. They fit exercises using barbells, kettlebells, rings, pull-up bars etc. The hand grips protect your hand from abrasions. Additionally, the wrist strap provides extra protection during high-intensity cross-training exercises, such as pull-ups, snatches, cleans, muscle-ups, and many other unbroken reps exercises.
With the lock-down grip, you may be able to do more reps and to improve your performance.