CuCu/nCu
Curtain is a gradient that affects the basecoat making it fade in lighter or darker colors.
It can be either white or black, or a lighter or darker shade of the basecoat (it can be of any allowed color ONLY if normal gradient is present).
Gradient direction must be head to tail or tail to head, it cannot be horizontal.
It can cover up to 50% of the body and It can lay either above or under all other markings.
The edge must be fully blended!
Curtain can take on slight curvatures, but keep in mind it must still be completely blended!