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EAST LANSING, Mich. — A Michigan State University engineering professor and undergraduate student have designed and produced a 3D-printed helmet earhole insert that helps to drown out crowd noise for some players on the school's football team. The inserts make it easier for the Spartans to hear play calls sent in via coach-to-player communication devices. Michigan State's head football equipment manager says starting quarterback Aidan Chiles and linebacker Jordan Turner were outfitted with the inserts and are pleased with their ability to mitigate crowd noise. Tamara Reid Bush is the mechanical engineering professor behind the invention. She's also a football season ticket-holder.
