Are you a sailor, a whaler, or just a good scout? his coffee mug will teach you how to tie the most common knots while you sip your coffee. It has a cleat for a handle, comes with two pieces of rope, and has clear instructions on all sides of the mug to teach how to tie a bunch of different types of knots. A perfect way to learn knots for sailing, fishing, or earning a merit badge, the knot tie coffee mug might be the perfect coffee mug to keep on a boat or in your camping gear! The knot tie coffee mug is filled with visual diagrams to teach how to tie a tautline hitch knot, a sheet bend knot, a bowline knot, and more.