Shoeing-horn

{ } n. 1. A curved piece of polished horn, wood, or metal used to facilitate the entrance of the foot into a shoe. [ 1913 Webster ]

2. Figuratively: (a) Anything by which a transaction is facilitated; a medium; -- by way of contempt. Spectator. (b) Anything which draws on or allures; an inducement. [ Low ] Beau. & Fl. [ 1913 Webster ]