If you stuck your finger in a fan to stop it from turning your finger would be cut off.
A childhood belief about around the house

others believed things like this
- I used to believe that a half moon was gods finger nail, and his finger was pointing downwards.— clo
- I used to believe that If I stuck my finger really far inside of my belly button I could touch my insides.Anon
- Never point at a grave, if you do your finger will rot off.— KL.R
- I used to believe that if my finger was ever cut off, it would grow back.— Chrissy
- i used to believe that if i bit my fingernails then a finger would grow in my stomach— polly
- When I was little, I thought you had to put a finger under the water to make it hot. — M_2