KT is a well-used therapeutic tool used for both injury prevention and treatment purposes. The Japanese Chiropractor, Dr. Kenzo Kase, developed its use in the 1970’s. KT mimics the physical qualities of skin. It is approximately the same weight and thickness of the epidermis (the outer layer of the two main layers of cells which make up the skin). KT has also inherited the elastic properties of skin, it has the ability to stretch to 120-140% of its original length.