It took a mirror and a fair bit of contortion to figure it out. Obviously, you can use the links I gave you.
The first thing that occurred to me was that I had no recollection of ever actually noticing my own urethra, despite having peed out of it successfully for several decades. My bf loves them.
For sounding, the rules are as follows: This means there are some rules which need to be adhered to in order to ensure play is safe, as well as enjoyable.
Folks this stuff is a medical practice and done outside a doc office may break some laws, just be aware of that. I didn't know that was possible. So we adapt, and find new things to tickle our fancy.