Horseshoe

 is an item found in Red Dead Revolver.

Description
"It's good for a horse, or for a toss."

- Store description

As with all similar items, the is not used in the game beyond unlocking a showdown character and journal page.

Unlocks

 * Katie O'Grady as a multiplayer character in Showdown Mode.
 * Pages 212 - 213 of Sheriff Bartlett's Journal, covering Katie O'Grady.

Merchants
The can be purchased from the skeleton in the jail cell at the start of the mission "Jailbreak". If not purchased, it is not subsequently available.