http://www.pottytrainpuppydog.com presents dog author Clint Cora describing options for dog bathroom indoor potty systems.
Clint has been a dedicated dog owner since 1979 and has used an indoor method to successfully potty train dogs this way long before the pet industry came out with dog litter box systems which now complement what Clint is doing.
In addition to effective techniques to litterbox train dogs, Clint also offers a free basic dog obedience training video which demonstrates the minimum standards all dogs and their owners should learn. Training drills are also shown. Go to http://www.pottytrainpuppydog.com/freedogtrainingvideo.html for access.