Wine combo low

What would be better..horizontal lip piercing or double inverse vert. labrets? - index of .jpg double

http://wiki.bmezine.com/index.php/Image:Lane_Piercing-2.jpg

that the drilling is horizontal, but when you consider there is a hole in the surface, it would be rather the reverse of two double-rejecting green. Labrets?
or vice versa, double green. Labrets have the same chances of rejection?

Green versa. LB: http://tattoo.about.com/library/graphics/renlabret1.jpg
(pictured is the center, but I speak from two sides labret than the horizontal.)