The Cho Pat bicep or tricep strap applies dynamic circumference pressure to the upper and lower portions of the bicep and tricep muscles. This action spreads out the stress and direct pull on the muscle attachments which helps to reduce the likelihood of developing bicipital tendonitis/tendonitis or tricipital tendonitis and to ease existing bicep or tricep pain and discomfort. Available in multiple sizes. Measure around the arm at midbicep.