Collection of related topics on Penis exstentions:

Head of penis or balls?
Is the head of your penis more sensitive than your balls? Or the other way around? Or is something else sensitive? (has to be on the penis or scrotum)

preferred penis size = preferred dildo size?
For those of you ladies who enjoy realistic dildos, do you enjoy the ones the best that are most similar in size and shape to either an ideal penis or

Hidden Penis
How many of you have or know of someone who has a Hidden Penis. This is basically where the penis retracts inside the body where no part or just a...

Penis and Testicle Senstivity
What part of your penis, and or balls, is the most sensitive?

Penis size
Which do you prefer...length or width?