How to sew an open piece to a closed piece
1. Insert the needle in a gap between
stitches in the closed piece and
2. Insert the needle under both loops in
the open piece and then insert the
needle to the hole where the yarn
emerge out in the closed piece and
draw the yarn through. do it all the
way around, knot off and hide the
yarn tail inside the piece and cut.
3. make sure you draw tight after every stitch. the stitches have to be parallel to one another.