Colby tradition celebrated on 6 December
Today is Laa'l Catreeney, which is celebrated on the Isle of Man on 6 December.
Culture Vannin says it's a day which holds "one of the more unusual and sinister Manx traditions."
Online and Educational Resources Officer James Franklin explained all about those traditions to Manx Radio:
The charity has also immortalised the event, with a video:
To find out more, you can head to the Culture Vannin website.