If the mood strikes to crochet something practical and stylish, then the Cable Bag is the project you were looking for. You can use this pattern to make a crossbody bag with a fashionable wide shoulder strap, or add rounds and create a tote bag instead. The tutorial includes instructions to add a zipper for closure.
Recommended yarn is medium size cotton weight 4. Crochet hook is 4.5 mm, and 3 mm for corner loops.
