I think the idea is that the varnish adheres to the scratched area, which is rough, and just gets wiped off of the smooth area. You will most likely be able to feel the scratch yet, but it won't be whitish anymore.

Dean

: Spidey, do you think your varnish-on-rag method would work to cover scratches
: on the deck of a kayak? I'm concerned about how visible the repair would
: be? I have some big scratches under my bungees, probably made by grains of
: sand on the paddle when practicing self-rescues. Didn't want to have to
: revarnish the whole deck...

: Tom