Putting a zipper into a knitted garment

I am just about to finish this adorable onsie that is star trek inspired. the pattern call for a zipper to be sewn in and wouldnt you know it, i have never done that before! HELP… I tried to find items on youtube and such but was a little cofused.

I have a couple links that might help. Haven’t done it personally yet.


http://www.berroco.com/video/install_zipper.html