It was believed that this method could help cure "English disease" – rickets.
The method turned out to be popular and was used from the 17th to the early 20th century.
As reported: Fakta.today
Scandinavians believed that trees with split trunks that formed a hole had magical properties.
According to legend, trolls and other mythical creatures lived inside them, driving away the evil diseases from the child's body.
The ritual was strictly regulated. Treatment had to take place on Thursday evening during a waning moon in complete silence.
This day of the week among Scandinavians is dedicated to Thor - the god of thunder and lightning, as well as the protector against dark forces and diseases.
The child was dressed in a loose shirt and pushed headfirst through the hollow, and the child's body was turned counterclockwise inside the hollow.
This could confuse evil spirits. The ritual was repeated three times.
During the last approach, the shirt was supposed to stay in the tree. This meant that the child had rid itself of the disease and supposedly been born again.
The hunt for magical trees was real.
Some of them had their owners - people who found them. People could charge parents for using the tree.
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