From Conté crayons to oil pastels, stick media have many advantages and are rightly popular today. Here are examples by Millet, Seurat, Redon, Schiele, Bonnard, and others.
oil pastels
Next time someone wants to know what colour Sennelier’s Bordeaux (number 008) oil pastel really is, the answer is here in L*a*b*.
The Eclectic Light Company 