Blind Side steel waterfowl ammunition includes game changing shotshell technology developed by the industry leader, Winchester. For starters, Blind Side shot is cube-shaped. That's right cube, square, box shaped, with corners, edges and 6 flat sides. Hex Shot is designed to hit waterfowl like High-velocity tumbling bricks, creating massive wound channels, preventing over penetration and maximizing energy deposit and knock down shock within the bird.