Remo Bongo Tucked Fiberskyn 3 Drumhead 7.15 in. FiberSkyn 3 M9 type tucked F3 film on 7.15" diameter head F4 film on 8.50" diameter head Remo's tucked heads technology is a process in which the film is wrapped around a steel insert ring just as animal skins are "tucked" around flesh hoops