When I was about five, my older cousin told me that cashmere was made from the skin that was punched out when you got your ears pierced.
I doubt I believed it even at the time, but I still cringe when someone walks by me in a cashmere sweater!
A childhood belief about skin

others believed things like this
- For some reason until I was about 10 I used to believe that the dentist pierced your ears.— Kendall.XxX
- My cousin once told me that glass was made from ground up beetles, and I believed her! — benjymous
- I used to believe that cows mooed out of their ears-because my older sister told me they did.— ella
- My cousin's mom told my cousin that pop makes you short. He probably believed it.— Molly
- My dad told me "Hush Puppie" shoes were made from Basset Hound ears.— William
- When was 5-6 I used to think that leather was made from hippo skin.— Richard Davies