Lay both hands on top of an open door, each from one side of the door (so one must be standing at the end of the door), and bend the knees so that one's weight is partly carried by the door and partly by one's feet on the floor.
© July 2014 Paul Cooijmans

Lay both hands on top of an open door, each from one side of the door (so one must be standing at the end of the door), and bend the knees so that one's weight is partly carried by the door and partly by one's feet on the floor.

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