Hat
You take a towel and wrap it around your head to keep the sun out of your eyes. You've invented... the hat!
ぼう
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After inventing the hat, you wanted to show it off to everyone, so you went to the bowling (ぼう) alley. You really stood out bowling strike after strike in your fancy new hat, and before you knew it, people had coined a term for your funky headpiece. That's right — you became the namesake of the iconic bowler hat!