You may have first stumbled across Kailh Crystal switches used in Haute42 controllers, and these switches have a smoothly linear feel.
After the M16 Ultra's groundbreaking success, Haute42 came up with a sequel, the M Ultra Gen2, that has a left pinky button.
One of the ways in which the Haute42 R16 is different than its predecessors is the inclusion of a leftmost button for your pinky.
The Haute42 U16 is a large leverless controller with plexiglass on top as well as an injection molded bottom.
The P12 Pro-Remix is Haute42's third rendition of this controller, and its interpretation of the retro Nintendo aesthetic is quite faithful.
The Haute42 T16-PU's name probably indicates that it contains polyurethane on top as a faux leather of sorts.
Haute42 continues its bestselling T series with the T16-Texture, and you can probably guess why it's named that way.
Are you in the market for a dual layout controller with matte buttons, fast switches, and shiny LED? The Haute42 T16-30 enters the chat!
If you look closely, the two buttons surrounding the Haute42 M16 Ultra's jump button are almost placed horizontally straight.