У вашего броузера проблема в совместимости с HTML5
Air is being forced into me through a rubber hose in my throat until i'm fit to burst. Eventually i manage to pull the tube out and burp out most of the air.
If you want to maintain the illusion, you may prefer not to read on!
In fact, although this is a real belly inflation, there's a balloon at the other end and i'm letting the air fill me up.