prevent damage to the pattern.
remove the safety pins, and then use them to hold the pieces of fabric together where the seams will need to go. be sure to place the furry sides against one another so that when the costume is turned inside out the seams will be on the inside and the furry sides on the outside.
use a sewing machine to sew along the seams, removing the safety pins as you work to prevent the sewing machine needle from breaking. if you are hand sewing you will also need to move the safety pins out of the way.
turn the costume inside out to place the seams on the 