I've used one for years. It won't work all the time(none do) but when it does they come running. I've called in and killed 4 decent bucks with this call and called in many does. It's always hanging around my neck while deer hunting. Jerry Peterson, the owner of WoodsWise is a great guy to talk to and an expert in calling. I've called in more deer using the doe bleat end of the call, including those 4 bucks I killed. Try to get one of Peterson's videos of him calling deer. They are a great learning tool to show when,where and how to call.