Use them only if you don't mind rolling the dice whether they'll be stable or not.
That's pretty much the scoop. I know some will swear by them and say they've had no issues but any Luxul piece i've ever installed was replaced no too long after.
Sometimes it works, sometimes it works for a while and out of nowhere has issues.
Do a Luxul search on here and you'll see both sides of the story.
Are you a gamblin' man?