My spin on pedal and under-seat bass shaker mounts for ~$50

Popsracer Bass Shaker Transducer Pedal Mount for Fanatec Pedals & Dayton Puck Sim Racing

Motion Simulator H3 - Affordable Motion Simulator Platform DOF Reality

UNIVERSAL BASS SHAKER/BUTTKICKER/TACTILE TRANSDUCER SIM RIG MOUNT – Trak Racer EU

Customer reviews: OpenWheeler Universal Bracket for Bass Shaker

OpenWheeler Universal Bracket for Bass Shaker Low Frequency Audio Tactile Transducers. Fits all buttkickers, AuraSound : Video Games

Bass Shaker Frame or Seat Mount for Dayton Puck or Similar

Bass Shaker Universal Adapter Chair – MTSIM USA

My spin on pedal and under-seat bass shaker mounts for ~$50. Details in comments : r/simracing

Bass Shaker Plate – MTSIM USA

The Ultimate Pedal Mod! Bass Shakers Enhance Your Sim Racing Rig