[header] How to walk on your kneecaps [title] Sit with your legs outstretched. [step] You should be sitting on the floor with your legs straight and flat. Make sure there is something to grab in case you start to fall on your sides, and that there's nothing in your way. 
You don't need things on your side to grasp unless you are not experienced in doing this. You will need to build up your balance before you can walk without support.