Question: To stuff a pillow with down,
Options:
open the end, put the down in by hand until it reaches the level of firmness you desire, then sow the feathers together.
open the end, put the feathers in by hand until it reaches the level of firmness you desire, then sow the end shut.
Answer: open the end, put the feathers in by hand until it reaches the level of firmness you desire, then sow the end shut.