The 5-tooth grooming comb works exceptionally well on densely-furred dogs such as:
English Sheepdog ò Samoyed ò Great Pyrenees ò Newfoundlanders ò Norwegian Elkhounds ò Huskies
The 7-tooth grooming comb works very well on short and long-haired cats, and dogs with short to medium-length coats such as:
German Shepherd ò Terrier ò Spaniels ò Pekinese ò Corgis ò Poodles ò Shelties ò Pomeranians ò Setters ò Rottweilers