What is the weirdest ritual?

[Dakota Schaefer]

"in 19th-century rural Austria, eligible lasses would keep an apple slice crammed in their armpits during dances. At the end of the evening, the girl would give her used fruit to the guy she most fancied."

Source: http://mentalfloss.com/article/28950/9-strange-courtship-rituals-around-world