Use liquid chalk. Stick your hands in your bag and put it on in there so no one can see. It doesn't leave much residue on the bar like normal chalk....
This article makes a lot of sense to me and it's interesting that it was posted so quickly after Ray's video that I didn't understand, where he says...
I see. I wasn't aware that this is something you guys reccomended and hadn't seen the article. I don't fully understand the rationale, though, and I...