Originally Posted by
dabac
Unless you're using black spokes you can simply run a magic marker down the spoke. It'll leave a nice black line that you can use to monitor spoke wind-up. Once you're done a dash of the solvent of your choice on a rag is enough to clean the spokes right up again.
Yep, I found that to be a very good technique. I used a red grease pencil and just wiped off the marks when I was done.