Bicep Curl Arm Blaster Bodybuilding Training Aid for Arm SupportBicep Curl Arm Blaster Bodybuilding Training Aid for Arm Support Bicep Curl Arm Bodybuilding Aid is designed to isolate shoulders and arms during lifting exercises, while at the same time locking the back and elbows into a fixed lifting position. Included with the Bicep Curl Arm Bodybuilding Aid is a webbed nylon belt rated at 1000lbs, to be used in conjunction with bicep workouts along with an oversized neoprene neck pad for both comfort and safety.