Colocando fecho eclair (uma hora eu aprendo)

Tutorial aqui.

Fonte: http://www.makeit-loveit.com/2011/10/sewing-tips-installing-a-basic-zipper.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+MakeItAndLoveIt+%28Make+It+and+Love+It%29