The special, curled fibers with barbed edges give the fibers an interlocking feature that gives utilizes in several marketplaces and for numerous apps. The name excelsior originated in America and excelsior has been created in the United States for over a century. In America excelsior has no other common name; https://edenproductsltd.co.uk/2025/03/21/why-natural-wood-wool-is-one-of-the-best-eco-friendly-packaging-materials/