Rim

The metal hoopThe round metal or wooden disc that holds the drumhead onto the drum. Lug casings are then fast... that keeps the drumheadThe covering or membrane, made of animal skin or synthetic plastics, that stretches over the dr... in place. It fastens down onto the drumhead by screws (or tension rods) that go through holes in the rimThe metal hoop that keeps the drumhead in place. It fastens down onto the drumhead by screws (o.... A rim must be checked occasionally for proper roundness.