Provides Extra comfort and support due to Padded elbow base. Ideal for biceps workouts. It will help isolate your arms and shoulder while performing dumbbell or barbell curls. Allows user to build extreme bicep muscle mass. Used to enhance bicep curls, which allows you to build lean and big muscle Arm blaster ensures arms are not moved at shoulder joints and arms are held at correct position. This enables fuller pump, total muscle fatigue and stimulating maximum muscle growth.