From the little I know about it, it seems genuinely fascinating.
I have a few, but my favorite is a transforming Kabuterimon to MegaKabuterimon.
From this image I can explain who made which mask.
I made the first two. Var made the third. My last and current one was made by an incredibly kind and skilled gentleman by the name Cyber-Hand.
No strong feelings one way or the other.