After seeing now crutches are usually left leaning on a wall and always end up sliding an falling I thought it was about time for a solution !This is what i cam up with ! It is still a work in progress but it works !this is basically a third leg that moves sideways when both crutches are connected and the mechanism is turned by moving the ends of the crutches away from each other ....more here : http://www.instructables.com/id/tricrutch/