15 button controllers can be considered the bare minimum to play a certain modern fighting game while pulling off all its mechanics smoothly.
The VM6R offers multiple layouts and can be ordered as a case or preassembled. It also features both Iris and Lolli tech.
Chibico by Acrycade Gear is a mini stickless controller that should be able to fit into a back pocket of a pair of pants.
The DRMFTG DRM FL packs a lot of innovation, including many layouts, if you are willing to primarily use it on a desk.
No, your eyes aren't playing any tricks on you! The Yamacon indeed has elevated hand rests in an attempt to be the most ergonomic controller.
The 01WH by SSR looks like a controller a construction worker would carry to a tournament, no? You can get the barebones case of this too!
The YagoBoard's maker is really into anime, so you can also get an anime illustration from the maker—or something completely different.
The Pocket is a mini all-key controller by Perfect Clear with two extra DSA keycaps on the upper right side.
The MAG-SF6 is an acrylic all-button controller with 15 buttons in order to conquer your Street Fighter 6 foes with ease.