My mother would get us girls to cross our legs together when we were sitting down (she didn't like us having our legs splayed apart - cuz our undies showed!) by telling us "rats will be attracted to you and crawl up" if you didn't keep your legs closed!
A childhood belief about general

others believed things like this
- when i was little i always asked my mom if my aunt had ant legs or people legs.— kelly
- I used to think a female daddy-long-legs was called a "mummy-long-legs".Anon
- I used to believe that if I wet my legs in the sea I would become a mermaid.
— andrea - that pickles were octopus legsAnon
- i used to believe that when you did the splits your legs would fall off.Anon
- I used to believe that snakes don't have legs cause ants bit them of.— Lulzy