For turk's heads, which I think are great at the top and bottom of the tsuke, just email me. I tie them all the time at work, and can tie many, many variants, as well as a ton of other decorative knots. In fact I am working on one right now as we speak around a wooden boat paddle, the knot is about three feet long, with one continuous piece of parachute cord. You could even make a very nice handle this way, I can email you a picture if you like, since I dont know how to post them here.