I love it. Best yet so far.
If you have the m22 it is an essential addon IMO. Next level shit!
I think my connecting neck was cut slightly crooked because my mod is at a small slant. Carb cap is heavy but seems well engineered. I use mine without the mouthpiece like a jukebox. But i lime that it's a 14mm joint and you could have a glass blower customize a mouthpiece.