Duel Game Calls Stretchback Grunt Call

• Dual Chamber Technology™ projects sound through two separate chambers emulating the oral and nasal cavities
• Adjustable sound - instantly change call sound by extending the rubber "Stretchback" flex tube; allows you to create the illusion of a moving animal
• Rubber flex tube easily stretches then rebounds without any residual noise; rubber creates a richer sound
• FreezeFree design