Get loud. And get extra raspy with this Double Nasty 3® Mallard Call. It's guaranteed not to stick, thanks to Buck Gardner's exclusive Spit-TechTM tone board. Spit-Tech means the Call will still blow, even when wet from saliva, condensation, and accidental dips in the water. Virtually indestructible polycarbonate construction withstands heavy field use. Every Double Nasty Duck Call is tuned by hand and tested by the dedicated staff at Buck Gardner.