Wake up to the know-how of tying knots with this fun and functional coffee mug! This novelty mug isn't just your run-of-the-mill cup of Joe - it comes with a set of instructions that'll teach you how to tie five classic knots, including the bowline, the figure 8 follow-through, the alpine butterfly, the sheet bend, and the buntline hitch. Show off your sailor skills while you sip your morning cuppa - the perfect gift for macramé masters and knot tyers alike!