Feet are one of the most common ways to make arcade sticks more stable on a desk, and oftentimes, these feet are made of rubber.
As a spinoff from its legendary Panzer series, The Frame by Jasen's Customs is an aluminum-acrylic hybrid with a customizable layout.
The Mytrix M16 is one of those thin stickless controllers that have 16 buttons laid out in a way that also gives you access to a WASD layout.
The Haute42 S16-C is like the previous S16 but on steroids: it comes preinstalled with the fast Crystal switches!
The Joytron EX Arcade's square gate joystick has grooves to make it grippy, and its heavy buttons are made of silicone.
How dare you overlook the AceGamer A16 that has enough buttons to win you the next tournament—without spending your entire life savings?
The Mu-1612 is a 15 button stickless controller made of aluminum, and it features a split PCB layout for modular upgrades.
Maxx Tech is a gaming peripheral company from the UK that stylized this enclosure with its own twist that may appeal to you.
The R4's slanted layout has Sanwa buttons, and its Sanwa joystick can have a Sanwa bat or ball top. The R3 and R2 editions have less buttons.