An arm blaster locks your elbows in place on bicep curls, so you cannot swing the weight. This isolates your biceps for stricter reps and better arm growth.
Shop more gym accessories from Hustlers Only UK.
An arm blaster locks your elbows in place on bicep curls, so you cannot swing the weight. This isolates your biceps for stricter reps and better arm growth.
Shop more gym accessories from Hustlers Only UK.