In this June 7, 2011 photo, Harley-Davidson Museum curator Kristen Jones stands with an aviator's mask at the Harley-Davidson Museum in Milwaukee. The mask, used by motorcycle riders in the 1920s to ... more 
In this June 7, 2011 photo, Harley-Davidson Museum curator Kristen Jones stands with an aviator's mask at the Harley-Davidson Museum in Milwaukee. The mask, used by motorcycle riders in the 1920s to protect them from the elements, is part of a new exhibit, "Collection X: Weird, Wild Wonders of the Harley-Davidson Museum," which runs through Aug. 21. (AP Photo/Carrie Antlfinger) less 
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Associated Press | Photo By Carrie Antlfinger
Mon, Jun 27, 2011 8:58 AM EDT