Rocker Plate Alternative? - Indoor Cycling Hack (or bodge)

I saw this recently on a Facebook cycling group page. Then I saw it again and again, so I thought I'd give it a try. Does it work? Will it break my stuff (or me)? Can you use this for your indoor cycling training? I ride and race a lot on Zwift, so a little extra comfort would be nice. But is this a hack you should try, or a bodge you should avoid. Let's find out.

• #sports
• #rocker_plate
• #indoor_cycling
• #wahoo_kickr
• #zwift_rocker_plate
• #indoor_cycling_workouts
• #smart_trainer
• #cycle_training
• #indoor_training
• #rocker_plate_zwift
• #zwift
• #indoor_cycling_videos
• #indoor_cycling_trainer
• #wahoo_kickr_setup