Just noticed the mini mat on the "Shop Cathe" site and am wondering whether this can be used in place of a step for those of us who cannot bear to give up our beloved step workouts but find a regular step too much for our ailing knees.
http://www.shopcathe.com/Mini_Mat_for_Step_p/1220406.htm
http://www.shopcathe.com/Mini_Mat_for_Step_p/1220406.htm