Horse jewelry. That's what you're looking at in the photograph at right. These lovely glass buttons were decorative ornaments for bridles in the late-19th and early-20th centuries.

Vintage horse trappings are becoming harder to find, but in Cairo, the following shops will sometimes have them among a broader selection of silver jewelry and traditional objects sold by weight ...

Zara Phillips Collection by Calleija The royal, 34, teamed with Australian designer John Calleija to create the Zara Phillips Collection by Calleija — a line of jewelry with a horse-inspired twist.