The MOUTHPIECE is most often made of ebonite (an artificial substitute for ebony wood), rarely of glass or wood.
The MOUTHPIECE CAP is usually made of metal (silver or nickel), plastic or leather.
The REED, as the word itself suggests, is made of the reed (cane) which grows in damp soils.
The LIGATURE, is a device which holds the reed on to the mouthpiece. It is made of metal (silver or nickel) and plastic, and more recently of leather.
The TUNING BARREL is made of wood, rarely of plastic. Both ends of the barrel are bound by metal hoops (silver or nickel).
The body of a modern clarinet consists of two parts:
– The UPPER JOINT, made of wood with tone holes and metal mechanism (silver or nickel) and
– The LOWER JOINT, with tone holes and metal mechanism, made of the same material as the upper joint.
The BELL is usually made of wood, rarely of plastic. The upper and lower sides are bound by metal hoops (silver or nickel).
Taken from my book
I Am Studying Clarinet I