A "lock of fur" refers to a small tuft or clump of fur that can be found on animals, particularly mammals. This fur can be shed naturally or collected for various purposes, such as crafting or making clothing. Locks of fur can vary in texture, color, and length depending on the species of the animal, such as dogs, cats, or rabbits. In some cases, locks of fur are used in the creation of products like fur coats or stuffed animals. They can also serve as a keepsake, representing a beloved pet. Additionally, locks of fur can be important for scientific studies, helping researchers understand animal health and genetics.