Keeping the Pastel Surface Flat, Techniques for Stretching and Mounting Paper

Stretching and Prepping a Canvas – Gwartzman's Art Supplies

Which Side of Watercolor Paper to Use (Complete Guide) - Watercolor Affair

Professional Heavy Duty Cotton Canvas, Paramount Pro

Making simple grounds for silverpoint drawing

3 Ways to Flatten Crumpled Paper - wikiHow

Mounting Paper onto Canvas and Other Supports - Nancy Reyner

Oil Paint Textures: How to Create Unique Effects & Looks – Rileystreet Art Supply

How to Choose the Right Watercolour Paper

Painting with GOLDEN on a Budget – Opus Art Supplies

Painted this today, how do I keep my paper from curling? : r/Gouache