Michael Ellis Electric Training Collar for Dogs - Remote Control, Rechargeable, Waterproof - Perfect for Obedience Training & Behavior Correction at Home or Outdoors

I have been researching bout training dogs and this DVD is definitely one of the best I have seen. It will be helpful if you have basic dog training concepts, so I think you need to do a basic internet research before to go with this DVD. Watch it several times until you get the minor details about the method.