Smart Tools SmartCuffs 3.0 Blood Flow Restriction Individual Cuff Size:Pair Small (17" and less) and swing these leather balls

and swing these leather balls with exceptional ease

Users get a heated massage on their neck

Fun factor guaranteed

AS SEEN ON SHARK TANK - WORLDS ONLY COLLAPSIBLE ROLLER - With a strong push of the tabs at the end of your Morph

Power & Connectivity

Smart Tools SmartCuffs 3.0 Blood Flow Restriction Individual Cuff Size:Pair Small (17" and less) and swing these leather ballsSmart Tools SmartCuffs 3. 0 Blood Flow Restriction Individual Cuff What is Blood Flow Restriction Training (BFR): BFR is the act of safely restricting venous blood flow from a working muscle, but allowing arterial blood flow to that working muscle. This is done primarily with low intensity resistance training. Since the ability of that blood to escape is dramatically reduced, metabolic stress and cellular swelling are greatly increased. As a result,