Not sure how this would look in the back. Maybe try it on an old pair of jeans to see. Pants don't fit right in the waist? This super simple trick actually helps finally get you the perfect fit.
Bolso-mochila, paso a paso - Bag-backpack, step by step - Сумка-трансформер своими руками
DIY Hacks for Fixing Ruined Clothes. Paint, Gum Ink Mend Jeans Fix Snags Resize and Repairing Jeans, Shirts, Pants and Shoes
I adore raglan shirts! What a great and simple DIY. :D Raglan Lace Sleeve T-Shirt, refashioned from ordinary Tee (diy customização de camiseta branca com renda)