Learn how to make screen prints - Create dozens of art prints or gift cards from the same image. Or, screen images on to fabrics for fashion or craft projects.
Different ways to draw value with pen and ink: Drawing Techniques: Creating Value in Pen and Ink Drawings: How to Go from Light to Dark
A site full of drawing techniques.
Step penandinkdrawing - How to Use Pen and Ink Drawing Techniques Lesson
26 Free Beginner Drawing Techniques to Learn How to Draw
Line Drawing Techniques
Amazing Drawings of ‘fingerprint’ Technique by Nicolas Joly
...Line Drawing Techniques
Traditional pen, pencil drawing technique ...a how to exercise sheet for "Line Shading"