There are two types of grip tape that I know of...one type is the same thickness as regular masking tape (with the liner off) and is sticky on both sides...you want to use lighter fluid or equivalent solvent to apply this tape.
The other is a little thinner and is activated with water instead of solvent.
One works just as well as the other, imo.
I used to spiral the tape on but nowadays I just run a strip slightly less than the length of the grip. Either way works just as well, imo, but I think you use less tape the latter way.
Seek assistance if you've never done it before...after one or two you'll have the hang of it. Good luck, paikiah.

Shade