The Spinto Arm Blaster is an aluminum bicep isolator that locks your elbows in place for strict curl form — eliminating swing and driving peak contraction for bigger arms.
Fitness AccessoriesThe Spinto Arm Blaster is a rigid aluminum curl brace that rests against the body and braces the elbows, forcing strict form on barbell and dumbbell curls by eliminating the swing and body english that steal tension from the biceps. Keeping the arms locked in position drives a stronger mind-muscle connection and a fuller contraction for serious arm development. With an adjustable neck strap and built for durability, it's a proven bodybuilding tool from Spinto's athlete-tested lineup and an easy add-on sale for lifters chasing bigger, more defined arms.
