professional
http://www.youtube.com/watch?v=wv72v5lwOpsendofvid
[starttext]

he male can sit on the toilet or lie on a bed with back and head propped up.
Lubricate the catheter for a distance of 6 to 8 inches.
If necessary, retract the foreskin. Clean the head of the penis with a soapy washcloth or an antibacterial wipe.
Hold the penis upright, and insert the lubricated catheter into the urethral opening of the penis.
Thread it in slowly until urine flows, usually a distance of 6 to 8 inches. When urine flows, allow all the urine to drain into the hat. [endtext]