"The Discipline Spiked Metal Pinwheel" (also known as a Wartenberg wheel) can be directly used anywhere on the body. Push it gently and stimulate the nerves for something sensational. Made in high-end zinc alloy, and electroplated with nickel-free and anti-allergy material.

Specifications:

Material:
Zinc alloy
Dimensions:
Net weight: 79.3g
Length: 7.08inches