Teasel/ˈtiːzl/ Definition 1 of 3Pro Tip 1/3Textile Process Teasel is often associated with traditional wool-making process. We visited a heritage center where they demonstrated with a teasel. Pro Tip 2/3Natural Brush Picture a teasel as nature's comb for fabrics, especially wool. The old loom was accompanied by a teasel for finishing the cloth. Pro Tip 3/3Historic Tool Using a teasel is an old-fashioned method, often replaced by modern machines. The museum displayed a teasel among other old textile tools.