The Thumbscrew - the knockout pinch converter for grippers! NOW IN STOCK! The Thumbscrew is an innovative new device that allows you to squeeze yet more benefit from your Vulcan adjustable gripper. The two sleeves fasten easily onto the end of the handles of your Vulcan (or other nutcracker style gripper) and allow you to exercise a greater range of motion for your thumb - hugely beneficial for increasing your pinch lifting power. Visit the shop for more information.
Keeping the integrity of the old, mixed with the new!
Before participating in any exercise programme, it is of paramount importance for your own safety that you are in good physical health. If there is any medical problem, please consult your doctor before commencing. Any undertaking of the advice set forth on this website is at the reader’s own risk. The owner accepts no responsibility for personal injury. See disclaimer.
