Every year in Okayama, Japan, nearly 10,000 men take part in the

Hadaka Matsuri, or Naked Festival at Saidaiji Temple. The men, dressed in

Japanese loincloth

s, battle to grab a pair of lucky talismans thrown into the crowd

. Participants in the boisterous event are asked to prepare papers with their name, blood type and emergency contact number, and tuck them into their loincloths beforehand.