In that opening, insert the elastic, and lastly, fold and stitch the hem of the shorts.

How to Sew a Simple Pajama Shorts for Beginners

How to Sew a Simple Pajama Shorts for Beginners

Image credit: Rosery Apparel via YouTube

How to Sew a Simple Pajama Shorts

Easy Pajama Shorts Sewing Tutorial

How To Sew A Simple Pajama Shorts For Beginners