ARD-Champs Heavy Duty Arm Blaster Body Building Bomber Bicep Curl Triceps New ARD Best Quality 12 MM Biceps Isolator Arm Blaster Black Comes with neck strap, with supreme v2 foam neck padding. The contoured design allows arms and shoulders to be isolated while keeping the back and elbows locked in curling position. Used to enhance bicep curls, allows user to build lean and big muscle. Heavy Metal Buckle for Clip keeps Belt Secure.