Originally Posted by PaulRivers

I'm as sure as I can be that I had them set up right. They're almost possible to remove by hand. I didn't actually have them come off, they just squirm once you put any real pressure on them. Also:
- The surface of the platform is slick, where on a decent platform pedal it's grippy
- Unless perhaps if you buy 2 of them, they're only on one side of the pedal and since they're heavier than the unweighted side, once you take your foot off the pedal they end up on the underside of the pedal