Extend the life of your child's trousers with crochet knee patches - All Kitchen Colours
Ravelry: Doily to Patch Holey Jeans pattern by Jess Coppom
Lilla Björn Crochet - Are you ready to give your old jeans a new life? :) Here is a tutorial on how to creatively patch the holes with crochet. http://plaidipusmound.blogspot.de/2012/12/crochet-patch.html You don't
How to Patch Jeans with Crochet Lace » Make & Do Crew
Jacket floral patch jean and crochet – Desigual Toronto