Horseshoe nail ring

Horseshoe nail ring

While of not much practical use other than to nail horseshoes to horses’ feet, in the early part of the twentieth century horseshoe nails were sometimes bent into circles to produce rings that were very popular with rural grade school children.
1001 Words and Phrases You Never Knew You Didn’t Know by W.R. Runyan Copyright © 2011 by W.R. Runyan