They are clean and fun and well worth the money. I once met a girl whose birthday it was in a club at the bottom of Shibuya's Love Hotel Hill (yes it was Club Asia!) and about an hour after meeting her managed to convince her to go to one with me. Ju...
Danny: But he said they weren't the droids we were looking for. Hector: Ok muppet just get the helmet back on and find those droids and stop harrassing schoolgirls with your bad Rick Astley dancing.
Same thing when I was at Uni but sometimes you ended up with an odd sock or something from somebody else's laundry. I once ended up with a dainty pair of girl's knickers once and didn't notice till I got home and was too embarrassed to take them back...