Actually they worked just fine on the Lotus and on the rear of the 510 in the video. I do know what you are talking about though. The foot pads on the stands kinda slid and scooted their way out over the concrete in the shop when putting the car down. Nothing startling though!
2006 Exige BWR Supercharged, Solar Yellow
2005 Elise, Chrome Orange
2005 Elise, Arctic Silver (Sold)
2007 Aston Martin Vantage
2008 Ducati HyperMotard
1986 F20C powered AE86
1962 Land Rover Series II