i noticed that whenever i polish my strings, i am only able to get the cleaning solution on the top side of the string. i also noticed that the under side of my strings are always extremely rusty.

so, ug, how important is it to you to clean the under side of your guitar strings?

and if so, any suggestions on how i can do it?
its hard to clean them when they're in tune, so loosen them a bit so you can clean under the strings...