US Patent 9396712 Multi layer drumhead with non-concentric inner layer

Disclosed herein is a multi-layer drumhead with non-concentric inner layer. The drumhead in one form comprising: a flesh hoop; an inner layer of material affixed to the flesh hoop; an outer layer of material affixed to the inner layer adjacent the flesh hoop and not affixed to the inner layer; a plurality of surfaces defining cutouts in the inner layer. In one example the cutouts form a lateral dampening strip across the inner layer. The device in one example further comprising dampening materials removably positioned between the outer layer and the lateral dampening strip.