It seems as though a lot of the 'also-rans' have ended up whoring themselves out to potential military/civil enforcement contracts... not surprising seeing as that's where the big bucks lie.
But I'm genuinely impressed with Frank Wangs attitude...
Unfortunately so:
https://www.digitalcameraworld.com/drones/one-of-the-best-non-dji-drones-has-just-got-the-axe-this-drone-brand-has-discontinued-nearly-all-of-its-consumer-drones
I remember considering a GoPro Karma or the original Mavic...boy...
NO GLUE. NO SNAP-ON.
It's an open lens hood, not a filter, as @Felix le Chat pointed out. It doesn't just snap on by pressing it against the gimbal. You have to rotate it a few degrees to remove or install it. There are several good Youtube...