Way too much time involved. I'm sure this makes a nice post, but, why bother?
Just wrapping up 1/8" and back down is quick, and is as good as it gets.
You can't twist yarn spun for each post.
For a quick and easy post, especially the "up" tie down see this link. [url=http://troutflies.com/tutorials/parachute/:0461e]http://troutflies.com/tutorials/parachute/[/url:0461e]

If this link doesn't work copty the url and paste.