Trifecta Key Box Example:\n\n aR$1 Trifecta Key Box: 1,3/5,7 would costR$12 and is made up of two trifecta bets that include a box; of 1 with 5,7 and 3 with 5,7 (the 1 AND 3 are "KEYS" and one of them must finish in 1^st, 2^nd, or 3rd to have any chance of winning, and the 5 and 7 must finish in the other 2 Trifecta spots.)