FAT GRIPZ PROS SPECIAL EDITION - These are the same as the famous original blue Fat Gripz Pros except in a new Black Special Edition with blue writing BUILD ARM SIZE AND STRENGTH - Fat Grips will help you build bigger, stronger arms. They work by wrapping around barbells, dumbbells, cable attachments and exercise machine handles and increasing their diameter TIME-TESTED METHODS, NEW SCIENCE - Science has now confirmed what athletes and bodybuilders have known for decades - that using a thicker diameter bar causes much greater muscle activation in the arms which leads to incredible size and strength gains TRAIN LIKE THE BEST - Fat Gripz are used by many: professional football players, champion bodybuilders, special forces soldiers and MMA fighters. Click on the video (in the photo slide show on the left of this page) to see Fat Gripz in action MILITARY-SPEC MATERIAL - The result of years of refinement of design and materials, Fat Gripz are as tough as your most intens