Tree Straps, wrap around tree, take other end through loop and pull. Take that long end that you pulled through the loop and do a marlins with toggle. Loop your whoopie over that knot above the toggle...NOT on the toggle. You can just ignore the loops at one end.
Here is your straps: http://www.youtube.com/watch?v=jPpnd...hannel&list=UL
Here is your whoopie: http://www.youtube.com/watch?v=zXlwPKoKw9Q
Does any of that help?