Oil sticks, also known as oil bars or pigment sticks, are basically condensed oil paints that you can comfortably hold in your hand.
Make your own oil sticks. Sharing my tips and tricks
Easy Ways to Use Oil Paint Sticks: 10 Steps (with Pictures)
Painting Landscapes: 10 Little Known Tips
Sealing Your Masking Tape for Better Hard Edges in Acrylic Painting - Jackson's Art Blog
Palette Knife Painting: A Tutorial for Artists
Easy Ways to Use Oil Paint Sticks: 10 Steps (with Pictures)
Wet on wet Oil Painting technique with Oil paint. A guide to this technique.
Oil Stick vs Oil Pastel Explained - Jackson's Art Blog
10 art marker techniques – Mont Marte Global
Rebecca Schweiger's Instagram, Twitter & Facebook on IDCrawl