Changes

Warren & Bigelow (1994) reported the [[foreskin]] "provides slack [[shaft skin|skin on the shaft]] of the erect penis allowing it to [[Gliding action| glide]] within its own sheath of [[skin]] during intercourse, one effect of which is to conserve vaginal lubrication. The gliding of the foreskin eases penetration. This and provides for more enjoyable intercourse for both partners and avoids problems with vaginal dryness."<ref name="warren1994">{{REFjournal