Socks Cancer
Cancer's entry into Sweden took place via impulses from Europe, mainly during the 17th century. Like many other party customs, they were first discovered by the wealthy families. The first time crayfish is mentioned in Swedish gastronomy is in a letter from Erik XIV in 1562.
Snapswizard makes the crayfish party so much more fun! If the schnapps doesn't taste good, it's always fun to sing!