The T-shaped 31-tooth long and short comb needle is very suitable for medium and large dogs, long-haired dogs. During the grooming process, it offers little resistance and causes minimal damage to the hair. It is particularly suitable for dogs with tangled hair that has not been combed for a long time. It is applicable to dogs with thick fur, large body size, and fluffy but comable hair, such as Samoyeds, Scottish Shepherds, and Old English Sheepdogs. It is also suitable for short-haired dogs.