AN UNBIASED VIEW OF HOW TO DRAW WITH INK PENS

Brush pens present a lot more variation in line width than a fineliner pen. Their nibs have a wide foundation that then tapers to the high-quality position. Typically the nib is made from a conical piece of felt, but there are pens which have a true brush tip fabricated from personal fibres just like a paint brush. You could vary the weight within