Clasp. (2) The catch mechanism for fastening a medallic object to a garment or headgear, it is made with a stem or tongue in which the clasp secures. See stem and clasp.
excerpted with permission from
An Encyclopedia of Coin and Medal Technology
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor