The Formaster is a tool to learn preoper form,useing proper back tension.If proper back tention and allignment are not used,it gives you a sudden surpriseing jerk and tells you the shot was not proper.In conjunction with the proper form,it will create a clean release.Formasters have become a serious training tool for most serious Target archery coaches and it is becomming quite popular with hunting archers as well.The formaster will tell you the Brutally honest truth about your form,when used properly.