I used to think since water came from rivers, and snakes lived in rivers, that you had to put a wash-cloth over the faucet when you were taking a bath or else snakes would come into the bathtub and bite you.
A childhood belief about bathrooms

others believed things like this
- I belived that when I took a crap, my turd(s) would turn into snakes and bite my booty.— Butters.
- That the rivers stopped flowing at night!— Louise
- I used to think that when I was in the bath I shark lived under the bath and that ig might come up and bite me— ------------
- I used to believe that snakes don't have legs cause ants bit them of.— Lulzy
- When I was five, I used to believe that worms grow into snakes.— Mz Dimple
- I once thought that snakes had legs like a centipede.Anon