It contains detail images of male genitals. Viewers who feel they may be offended by this video are welcome not to watch .
Video explains how uncircumcised penis functions. It explains how foreskins retracts and what the various parts of the foreskin are including the phimotic ring (ridged band). Correct use of a condom is also demonstrated.
There is an active forum where foreskin retraction issues are actively discussed: http://willywellbeing.com/forums/forum/phimosis-frenulum-breve-circumcision-foreskin-retraction/
Any comments deemed to be of sexually explicit nature, offensive or unhelpful will be removed.