portable mast support plus balun holder

I made a support for my portable fishing pole mast to keep the first element standing on it's own, without having an opportunity to tie it to something or to carry a tripod with you.
Just put the big ring on top of the thickest element of the pole and tie 3 lines to it and fix the lines on the ground with some pegs for example. After that you can bring up the pole and handle it without having someone to help you out with a third anf fourth hand.

The smaller ring is a rotary support. While th