How Do You Modify A Sewing Machine Hand Knob?
• Assemble these items in the “Things You’ll Need” list below. • From the handle end, saw the toothbrush to a length of 2 5/8″ and smooth the cut end with the sandpaper. • Cut a piece of rubber from a used bicycle inner tube of about 1/2″ x 2 1/4″. • Wrap one layer of the rubber around the toothbrush handle. Two layers will not work and using rubber from a car tire will also not work. • Clamp the handle to the hand knob with a hose clamp using your flat head screwdriver. The size of the hose clamp doesn’t matter too much. Do not put this new assembly flush with the sewing machine. When the hand knob spins, it should not rub against the machine. • With the pliers, shorten the protruding end of the hose clamp by bending it back and forth many times until it breaks at the crease. You could cut the end of the hose clamp with a heavy-duty cutter, but the cut end will require more filing or sanding in this case. After smoothing the end of the hose clamp, use strong needle nose pliers and ben
