Can you explain further or post a pic? Your link was blocked by my McAfee software as unsafe.
Wow - must be a bunch of “Clintonistas” running McAfee!! Seriously, this is a commercial site with a vest for people who have a lot of mucous in their lungs that they have trouble clearing on their own.
See if McAfee will let you access this video:
Hill-Rom | Respiratory Care | Monarch® Airway Clearance System 3D Animation Video
https://www.youtube.com/watch?v=WyF0HY-fzXY&feature=youtu.be