Sheldon Cooper's Public Restroom Kit

Contents:

~ Toilet paper
~ Purell (hand sanitiser)
~ Rubber gloves
~ Air freshener
~ Noise cancelling headphones
~ Danger whistle
~ Pepper spray
~ Multi-language 'occupied' sign
~ Seat protectors 
~ Booties for shoes
~ Clothespin for nose
~ Mirror on a stick (to make sure the person in the next stall is not some kind of weirdo)

S8:E19