This stylish inflatable batter’s helmet (Pop. Mech. May 1921) never caught on, possibly because it provided inadequate coverage. In fact, MLB only began requiring helmets in 1940!
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Bubble Head
This stylish inflatable batter’s helmet (Pop. Mech. May 1921) never caught on, possibly because it provided inadequate coverage. In fact, MLB only began requiring helmets in 1940!