
It took me an entire year or more to get it right. Eventually I pulled through and I am as flat as could be. It won’t make you completely flat as you may know but if it pulls them to the side it is enough to be pec-like sometimes. Good luck with whatever journey you decide to take, I just wanted to let you know that it took me 100 tries and you are not alone.
I 1000% have never used that specifically. However I’ve done KT tape(no name brand). But prefer the clear adhesive bandage tape that comes in rolls. Way less harsh on my skin personally, and way cheaper. It can be layered over with KT tape for more hold, or for those with more to hold. I also use two ends of a larger fabric bandaid for my nips to start the process. Protects them and keeps them flat. In front of a mirror I sort squish down and to the sides to where pecs should be & go from there.