Dritz chalk wheel did the trick. Super fine line too! Much better

I’m doing a 1970 Buick Rivera w modern cloth (excel cloth) new take on a classic. No welt

Thanks a lot everyone, I can’t believe I have never thought of a tailors chalk wheel. That seems like it would work well and wipe off w just water. I’ll also try a white china marker too. New to this forum, look forward to learning more from other trimmers