Using fat grips / fat bar grips / thick bar grips / dumbbell grips / barbell grips / an axle bar adapter is one of the most effective ways to build maximum muscularity and strength, especially bigger arms, big biceps and big forearms. Fat Gripz are a must-have item of arm workout equipment / weight lifting equipment / strength training equipment and the number one item in the categories of gym accessories for men and grip strength trainers. They are great for dumbbell bicep workouts, forearm workouts, grip strength and biceps workouts at home