What can we say? The name says it all. Introducing our new acrylic open reed elk call family. The Tramplifier family offers a combination of an acrylic barrel soundboard and reed that produces very clear notes of cow and calf mews and chirps. – The open single reed reproduces the high pitches of cows and calves taking all the guesswork out of locating those bulls. – The Short Range Tramplifier (952) is specifically designed to make soft natural sounds of cows and calves that will get the bull to finish! – Premium Acrylic Barrel for extreme sound – Open single-reed achieves higher pitch of cows and calves – Easy to blow – Produces accurate estrous cow calls