Sport F*cker Muscle Ball Stretcher - Blue

Similar to the silicone version, this ball stretcher is made of high quality TPR. With a beefy construction, the Muscle Ball Stretcher adds a great amount of weight without the constant pain of its metal counterparts. The Muscle Ball Stretcher by Sport F*cker is by far the most comfortable Ball Stretcher on the market! What makes the Muscle Ball Stretcher by Sport F*cker so comfortable? The design. It's nice and thick, adding a good amount of weight to your sack, without a constant pain you may have with metal ball weights.