Jay Peters is a senior reporter covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. Valve’s new Steam Controller goes on sale on Monday for $99, and accessories-maker Mechanism will be ready. As far as we know, Mechanism’s new Basegrip is the very first way to attach a Steam Controller to your phone — as well as Mechanism’s lineup of accessories, including mounts for hanging handhelds and gamepads on the Ikea Skadis pegboard or just about anywhere else . The Steam Controller mount will go on sale the same day as the controller, since Valve gave Mechanism early access to the design. When the Basegrip is paired with Mechanism’s phone mount , the company suggests that you can use the Steam Controller to remote-control your PC using the Steam Link streaming app.…