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