Is it possible to tie your penis in a knot? | Yahoo Answers
The bulbus glandis also called a bulb is an erectile tissue structure on the penis of canid mammals. The locking is completed by circular muscles just inside the female's vagina; this is called "the knot" tightening thus preventing the male from withdrawing. The circular muscles also contract intermittently, which has the effect of stimulating ejaculation of sperm, followed by prostatic fluid, as well as maintaining the swelling of the penis and therefore the tie, for some time. For domestic dogs the tie may last up to half an hour or more, though usually less. The bulbus glandis also occurs in the penises of some pinnipeds, including South American fur seals. From Wikipedia, the free encyclopedia. Not to be confused with Bulbourethral gland or Bulb of penis.
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You gotta fight for your right to party. Mine is far too short to experiment with. Laura won't let me touch hers. I figured there has to be a big dick in this crowd. I'm keeping everything crossed for you.