Uber users are leaving some odd things behind in their rides. The ride-hailing company revealed its annual Lost and Found Index this week. A list of the 50 most unique lost items includes a baby Chihuahua, a full set of 18-karat gold teeth, a Babe Ruth signed baseball, a mannequin and deer antlers. Riders also lefts a number of food items behind. Uber says the most commonly forgotten items are phones, cameras, wallets and keys. What have you left behind in an Uber? And were you able to get it back?