One day, when is was a kid, at a big family reunion, i was looking at my cousin's cricket gear & naming all the equipment. e.g. Bat, pads, gloves etc, until i saw a small plastic curved thing which i picked up & proudly announced in front of my entire extended family, that this thing covers the nose & mouth, which i then did. To my complete surprise & horror, absolutely everyone cracked up laughing at me because it was in fact a "box" which protects the batsman's genitalia area getting hit by the ball during the game of cricket!
A childhood belief about sport

others believed things like this
- I used to believe that Jiminy Cricket was a grasshopper because I had never seen a green cricket.Anon
- I forgot the expression "not cricket", so I said, "not tennis" instead.Anon
- I used to believe that cricket ice cream used to be made out of real crickets!!!— Lt. Fuzz
- when i was small my brother always told me that if you picked your nose your head would cave in— Eric
- I used to think a mustache was just extended nose hair.— Dan
- My mother used ot tell me that if I picked my nose the 'Nose Spider' would bite my finger off.— Melanie