Some men with nonretractile foreskins have no difficulties and see no need for correction.

Their nonretractile claws are used primarily for digging.

Common characteristics of modern bears include a large body with stocky legs, a long snout, shaggy hair, paws with five nonretractile claws, and a short tail.

They possess bushy tails, nonretractile claws, and, excepting the African wild dog (Lycaon pictus), a dewclaw on the front feet.

It has no anal or perineal glands (unlike the fanaloka), nonretractile claws, and a unique dentition: the canines and premolars are backwards-curving and flat.