The two half-hitches is a great sturdy knot for affixing something to a pole, hook or rod.
Useful knot series, part III: Two half-hitches
Useful knot series, part II: Clothesline
Learn to tie a knot that allows you to tighten the line after it’s tied, great for clotheslines!
MacGyver Mom
Folks who charge ahead over the hurdles or obstacles before them are my kind of people.