Naw, it's that the traditional VB has to be "grown" and can't be spray applied, which is what this version is for. Growing the nanotubes makes them perfectly pe

Naw, it's that the traditional VB has to be "grown" and can't be spray applied, which is what this version is for. Growing the nanotubes makes them perfectly perpendicular. Spraying them... does not, but still achieves much of the same effect.