Right babe,
After finishing the nail with the Koala and solar oil, I use a slimline buffer, and buff around the cuticle area..........Black, white and grey sides........
Then use the black and white sides of my girlfriend , then scubfresh the nail and the grey side of my girlfriend and buff..........
In Competitions, we use on buffer per nail.............. So I use 5 girlfriends per Comp.....
I personaly dont use acetone, I found scrubfresh does it's stuff for me...........
As for buffing technique, shoe shiners have the best technique,so I took my cue from them, side to side and then over the top, it creates a nice high shine...............
The painted hand get a good buff, nice and smooth and no flat spots, but not to shiney or the polish tends to slip all over the nail................
HTH