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Use "unhelmeted" in a sentence
"An average of over 118 deaths per day just from auto/motorcycle wrecks. 55% of those unbelted or unhelmeted is a national disgrace."
"Of course there were messages that we received from both of these shows that are truly hard to comprehend today as an adult, but luckily our unhelmeted heads back in those days didn't question -- we just enjoyed."
"Some 75% involved an unbelted rider; 84% an unhelmeted rider; 52% high speeds and sharp turns; and 29% drugs or alcohol."