Feb 17
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The genius of the triangular frame is that it can fold. In six seconds, you have a light, compact form that you can easily wheel before you, stow in a closet, load in your car or take on the train.

The genius of the triangular frame is that it can fold. In six seconds, you have a light, compact form that you can easily wheel before you, stow in a closet, load in your car or take on the train.