I've been shaving for a few weeks, but have yet to go ATG due to lack of knowledge of angles, proper holding technique, etc. I just have been doing 2 passes WTG, but I REALLY want to get a BBS shave since I still have some fuzzy areas even with 2 WTG passes.

Do I re-lather if I'm going to do an ATG pass? Or use warm water?

Any tips?