Carrot on a Stick

Carrot on a Stick is a trinket that increases the wearer's mount speed.

Source
Carrot on a Stick was a quest reward from the quest Gahz'rilla (quest) which starts with Wizzle Brassbolts at Mirage Raceway in Thousand Needles. To complete the quest, you must turn the following items to Wizzle Brassbolts:
 * Gahz'rilla's Electrified Scale