The most common hose clamps feature a perforated metal band held in a circular shape by a nut. A screw threaded through the nut uses the perforations in the band as a worm drive to open and close ...
If the leak is at the hose ends or in the middle of the hose, use a clamp coupler to repair. Cut the damaged section off the hose with a utility knife. Remove the screws and cover from the coupler ...