ARTIFICIAL DEER SINEW - 20 yards x approx 4mm 70# Test Artificial Sinew looks and works just like Authentic Deer Sinew! Here is just what you need for those craft projects, such as Native American Dream Catchers, primitive knives, drums, arrows, or anything else that needs a Sinew to complete! A wax covered polyester with the LOOK and FEEL of Real Sinew!