Horseshoes of Speed

D&D 2014 item: Horseshoes of Speed. Source: Dungeon Master's Guide (2014). type Wondrous Item, Rare rarity These iron horseshoes come in a set of four. While all four shoes are affixed to the hooves of a horse or similar creature, they increase the creature's walking speed by 30 feet. Wondrous Item Rare

Source: Dungeon Master's Guide (2014), p. 175 - Licenses and attribution