The claw,talon also called Pincher is essentially a curved taper which is worn in stretched ear lobe piercings. The thickest end is generally flared and may be decorated, and a rubber o-ring

O-ring

An O-ring, also known as a packing, or a toric joint, is a mechanical gasket in the shape of a torus; it is a loop of elastomer with a disc-shaped cross-section, designed to be seated in a groove and compressed during assembly between two or more parts, creating a seal at the interface.The O-ring...

 may also be used to prevent the talon from becoming dislodged when worn. Common materials include acrylic and glass

Glass

Glass is an amorphous solid material. Glasses are typically brittle and optically transparent.The most familiar type of glass, used for centuries in windows and drinking vessels, is soda-lime glass, composed of about 75% silica plus Na2O, CaO, and several minor additives...

. A similar item of jewelry is the crescent

Crescent

In art and symbolism, a crescent is generally the shape produced when a circular disk has a segment of another circle removed from its edge, so that what remains is a shape enclosed by two circular arcs of different diameters which intersect at two points .In astronomy, a crescent...

, or pincher, which as the name suggests, is shaped like a crescent moon and is tapered at both ends. Talons and claws may also be quite ornamental (e.g.: carved in the form of a serpent or dragon). Consequently they may prove to be an impractical choice of jewelry as they may snag on hair, clothing, etc.