I did the following exercise from a book called The Complete Idiot's Guide to Drawing People Illustrated. The exercise called for using pencils in a variety of hardnesses to achieve the desired look. But anyone can do it but following the directions. I need to be different. And, I have the perfect color of Micron Pen for denim. So, here is my take the hem of a pair of jeans:
It looks like the picture, trust me ;-).

