Supplies
Simple messenger bag
Hogwarts Crest (embroidered or ironed on)
Sewing machine or a thread and a needle
Instructions
Take your patch, center it on the messenger bag flap and sew it on, either by hand or using a sewing machine. It really is as simple as that!
Final Product
You can also use house patches and make Slytherin, Gryffindor, Hufflepuff or Ravenclaw bags!
Credit
© Mary Jo Chrabasz's pattern was taken with permission from HarryPotterCrafts