Hunters Specialties Blade Driver with Earth Wafer. The static charge on the wafer creates a static electric field which reacts with the molecules in the air to dull the sound of your voice and mask the odor of your feet. The static field created also fills the air with a scent Eliminates wheezing hackles snorts and sniffles. Each blade & earth wafer is activated by the pressure of your boot on the blade. Large earth wafer covers a large area. Specifications for Hunters Specialties Blade Driver w/Earth Wafer: Manufacturer: Hunters Specialties Scent: Masking Wafers Package Contents: Hunters Specialties Blade Driver W/earth Wafer One Fresh Earth Wafer Blade Lanyard for hanging on stand or blind 2 AAA batteries The Hunter's Specialties H.s. Blade Driver W/earth Wafer is a quality addition to the Hunters Specialties lineup. For more great deals on Camping Gear by Hunters Specialties please browse our Hunters Specialties Hunting Gear page. Hunters Specialties HS-01015: Blade Driver with Earth Wafer