Have you heard of the paper doll for seeking a child?
It has a baby girl's body, bamboo as bones, and paper as clothing.
Bamboo strips cross the baby's body, white paper covering the whole body, forming a paper doll, with eyes drawn on.
Then it is thrown into the fire and burned, and the baby girl dies.
The next pregnancy will be a baby boy.
My sister-in-law's first pregnancy was a baby girl,
My mother held bamboo strips, staring straight at the newborn baby girl.
I knew, my sister-in-law would give birth to a baby boy in the next pregnancy.