Penis Extensions?

Collection of related topics on Penis exstentions:

Tips on using a penis extension kit?
This is embarrassing...but this is the first time hubby and I have ever used one I find that it hurts like hell! any tips would be appreciated

Penis Hurting After Intercourse
So has anybody ever had their penis start hurting after intercourse? I'm not talking about the tip of it (I've had that before too and not fun) but...

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...

Never tried one.