Foreskin Natural Restorer is a bi-directional restoration device that creates tension on the foreskin by pushing against the glans, while pulling on a small fold of the foreskin.  This device uses tape to secure the foreskin to the puller.

A complication of circumcision where the lack of adequate shaft skin causes hairy pubic and scrotal skin to be drawn onto the erect penile shaft (also called Hirsute Penis). 

Inner foreskin is mucosal tissue that extends from the glans to the ridged band in an intact penis or to the circumcision scar in a circumcised penis.

Keratinization is a specific term implying the formation of keratin.