I use cardboard.
In addition to showering (the soap & water bit) I use toilet paper & wet-wipes to ensure my cleanllness throughout the day. :-)
1st and last ones.
Try the banana peel technique. It didn't really work for me cause I didn't have big enough bananas, but I'm sure it's probably one of the best ways. YAY FOR WEEDS!
I prefer wet wipes.I like to feel and be clean.
Depends on the season.