Gut Blaster Slings

Gut Blaster Ab Slings . Ab Crunches have never been so sophisticated, effective and appealing. Easy to enter and exit... and extremely comfortable. All exercises are done at any angle in complete comfort. Scientific design leads to faster progress. Build the Abs you want in less time. There's no wasted motion or unproductive stress. Arm Slings are 8-1/2 inch wide, 1 inch thick and built to last.