How Do You Clean These Lines?

[mikethompson]

I used floss and a toothpick to remove whatever it was. It must have been old polish or something.

Looks much better now.

 

[jpmcwjr]

The string that fits is the thing, with a mild abrasive, such as toothpaste or Bar Keeper's Friend.

 

[hauntedmyst]

I just sit down with a toothbrush and start daydreaming about piloting an X Wing and when I snap too, the they are clean. I can't explain it.