Body protection...

... is a must-have for the next time you make an off-colour joke (blokes: or sexist joke...)

http://www.thinkgeek.com/tshirts/generic/9080/

Some points to note:
"In case you weren't aware, [this item] does not stretch."
"If you have long hair, [tie it up] otherwise [the item] could get tangled in your hair."
"You might feel a bit claustrophobic when first wearing [the item] but don't worry you won't get stuck."
"PLEASE wear a shirt or some other garment underneath [the item] is a bit rough and can scratch you."