Have you been thinking of sticking something down your cock? One of the many ways men like to masturbate is called sounding. Many times the items they choose are very dangerous, everything from glass thermometers to pens to crochet hooks. Ones have called and often stuck Q-Tips down their cock usually dipped in stuff, anything from whiskey to icy hot muscle gel have called and told me what they were doing. Cock and ball torture guys often get into this, but even ones not into pain will experiment with stuffing things down their cocks.
Metal is really the only safe material that ones should be using and sterilizing is very, very important. This isn’t just jerking off with dirty hands, you are literally putting something into your body, and you don’t want to e grabbing the nearest old Bic pen from the junk drawer to do it with, though I’d bet many have and then later regretted it. Imagine going to the ER or the doctor and having THAT conversation! “Yeah, I was jerking off and got the desire to stick something down my cock, this old pen was handy.” That would be pretty embarrassing to say before he books your emergency appointment with the urologist.
Some find it very pleasurable to have the urethra stretched with these sounds, but it carries a risk not only of infection, but cuts and tears from the inside. Lube is very important and these heavy steel rods properly lubed will fall in and sink down with their own weight. If you are comfortable with all the dangers, go right ahead and order yourself a set of steel rods for your cock and see how it feels to cum with one inside. The particularly adventuresome can hold a vibe to the tip that’s sticking out to feel the vibrations go down the rod and their dick vibrate from the inside out.