Side Mount Pedal? Good/Bad?

http://www.sidemountpedal.com/Images/PBMCLogo.jpgHERE IT IS!
**PBMC’s first product, the exciting **SMp
Side Mount pedal, United States Patent 6,745,643
Patent Issued June 8, 2004
Website Updated Weekly http://www.sidemountpedal.com/Images/PedalandCleatInverted2.jpg

What is the good word on this pedal? How do you maitain power output on the upstroke without your cleat becoming disengaged?

Who rides on these?