Tired of your trainer yelling at you to get your shoulders back? Our newest product is an adjustable and elastic reminder that takes the place of that old trainer trick of the whip behind your back that is an uncomfortable over-correction. Put it higher on the arms to work on your shoulders and lower on the arms to work on your elbows. Comfortable without be too restrictive or compressive. Our current size fits most women under dress size 12 with biceps less than 12" in diameter. A Larger size is in production and we will be available soon.