This time I opted for a buntline hitch (left side, ABOK 1209), diamond hitch over the top, and a round turn and two half hitches (left side, ABOK 1720) to finish it off. I also used a clove hitch (not pictured, ABOK 1245) on the opposite side to secure the first half of the diamond hitch, but it was unnecessary and only made it more time consuming to untie the whole thing. I will not use the buntline hitch again either; while it seemed very secure, it was much more difficult to untie than other knots I've used.
I secured the loose line after the final knot with a chain sinnet (see below, ABOK 2868) to avoid any mishaps on the ride home.
