New Chapter in Video Stabilization? 4th axis coming soon!! (The best 4th axis camera rig in 2021)

All video camera in the market lacks a 4th axis to help smooth out the up and down movement as you walk, which results with video have noticeable bounces.  Thus, commercials and movie sets, videographer ususally wears a heavy vest with a spring arm, Steadicam to help the camera glide.  IDOLCAM's 4th axis stabilizer handle does exactly what a Steadicam does, except it weight only 180 grams, not 20 lbs.