I been calling for over 25 years mostly with electronic calls. I bought the first Burnham brothers compu callers about 25-27 yrs ago. I have owned several Foxpros, and had decent success with them. I am looking to learn how to howl with hand or diaphram calls. Have any of you used the [beeep] "Conquer the Call" DVD? I would appreciate any thoughts on that product (PM if you prefer). Also is the coyote diaphram calls easier/hardier to master than the turkey diaphram calls?