The Hook Up(TM) box from PrimosA(R) is designed to take all the guess work out of getting that perfect box call sound every time you play it. The ultra-strong magnet holds the paddle at the perfect angle for crisp cuts, smooth purrs & soft to loud yelps. When used with the included Gobble Band(TM) , the Hook Up(TM) produces some of the most realistic gobbles made! The detachable paddle can also be removed for silent carry. One of the most user-friendly calls on the market. Most innovative design in decades; Magnetic lid automatically applies correct pressure for perfect call every time.; Include Gobble Band produces some of the most realistic gobbles;