i watched a few videos and read some articles and then went out and tried it. i did a couple of attempts without using the sticky stuff to see how it would come out and the first two were not lined up properly to wrap the whole bars and i had about two inches left when the tape ran out. the third came out perfectly though so i unrolled it and peeled the backing and tried it again. it came out good, i think.
from this:
to this:
and if feels so good. its the lizard skin 3.2mm
now, when i get some new brake levers, i will redo it. i also wrapped my brake cable in black electrical tape so it matched