If any of these numbers are rolled, you win the bet. The horn bet is a combination bet that covers the numbers 2, 3, 11, and 12. So, let’s get started! What is the Horn Bet in Craps In this guide, I will explain everything you need to know about the Horn bet in craps, including how to make it, the difference between Horn bets and C and E bets, and some of my tips and strategies. If you’re still learning the game, you may wonder what the Horn bet is and how it works.