Produces the sliding note needed for accurate cow calling by simply pushing on the bellow. Foolproof, one-handed operation quickly switches between mew, lost cow and estrus cow calls. Accurate, consistent and 100% freezeproof. FeaturesThe most accurate and consistent cow call you'll ever hearFool-proof operation: simply push for perfect cow elk sounds every timeTunable design produces mews, Lost? cow calls and Estrus? cow sounds 100% FREEZEPROOF