A cabinet/card scraper for certain. Nothing is better. If you don't know how to do a turned edge you'll need a set of instructions, a mill file, a turning steel and some practice. But even if you don't get a sharp edge it will work on green epoxy.

: I was so happy with the wetout of the glass on both my hull and
: deck, but subsequent processing have left some runs/sags to deal
: with. At this point, I've got one thin fill coat of epoxy on
: both hull and deck. Some areas need a bit more epoxy to fill the
: weave, others are completely filled, and then there are areas
: with some sagging from trying to fill the coming riser, and the
: stems. My questions are.... Do I need to finish fill coats
: before attempting to sand out runs/sags, or should I try to sand
: on them now? Any good ideas for how to go about sanding out
: runs? Everything was going so well up to this point, but the
: wheel's seem to have fallen off...