There must be double dewclaws on the inside of the hind legs. They are well defined, placed close to the foot, and distinct from one another. Dewclaws placed too high. Underdeveloped or fused dewclaws. The strong feet are round.
Pads are hard, yet elastic.
The nails are always black. Feet not sufficiently tight. Pads too soft. Pads lacking elasticity. The tail is not docked.