Extend-A-Tone Deer Call and Video (VHS). 45 Fact filled minutes of Exciting Deet Hunting and Calling This kit contains everything you need to become a productive deet hunter. With the Extend-A-Tone Deer Call you"ll be able to easily reproduce the life-like grunts of a big buck. This call can be operated by both inhaling and exhaling giving you a wide range of deer grunting sounds. By attaching and extending the Extend-A-Tone hose in stages, you"ll be able to duplicate the bold grunts of a dominate buck, or the soft grunts of a subordinate buck. This call with its patented Hyper-Ventilator inhale-exhale design, combined with the Extend-A-Tone hose, is the most versatile deer call you"ll ever own!