Thanks for the recommendation. Believe it or not I have a pair of exactly those but unfortunately I hate them because they rub my knees nearly raw when worn for

Thanks for the recommendation. Believe it or not I have a pair of exactly those but unfortunately I hate them because they rub my knees nearly raw when worn for prolonged periods. In the end I've bought an old skool rubber kneeler, which seems to work better, but of course you have to continually move it around, which isn't always convenient (or even possible).