For the same reason that Victorian ladies wore extremely tight corsets: they found it attractive because it was not easy to achieve and therefore it conveyed a higher status to those who had it.
The Chinook people thought a flat head was beautiful. It was a sign of good parenting. Slaves of the Chinooks were not allowed to flatten their heads.
when their born
There are many Chinook artifacts. Arrow and spear heads, beads, baskets, and carvings.
There are First Salmon Ceremonies to honor the fish runs. There are ceremonies to give people names, with a potlatch to follow. There are ceremonies when a baby becomes one year old and ceremonies when a girl becomes a woman.
They used materials from the wilderness. Stone for the heads, wood for the shafts and fletched with feathers.
Wooden boards tied together with the babies head in the middle
At birth, the Chinookans would flatten certain children's heads by applying continuous pressure with a board, thereby enabling a social hierarchy that placed flat-headed community members above those with round heads. This ranking was inherited.
The Mayans.
no of course not
where do chinook live
Triplets that have been conjoined...
because their jacked up...