A “weeper” is a piece of fabric wrapped around a hat or bicep of an undertaker or mourner. – WTF Fun Facts
hat
WTF Fun Fact – Lost & Found
Every year, Walt Disney World’s Lost and Found collects more than 6,000 cell phones, 3,500 digital cameras, and 18,000 hats. – WTF Fun Facts
Source: https://wdwnews.com/fact-sheets/2014/10/31/walt-disney-world-fun-facts/