At 11 months old, Maverick Mast is just getting the hang of walking. Fortunately, he can lean against the legs of his dad, Brian Mast.
Those legs, a combination toy and prop for the smiling toddler, are a marvel, the latest prosthetic technology has to offer to the double amputee. They are curved in the back, a stylized version of calf muscles. His knee joints are fitted with gyroscopic microprocessors to help him maintain his balance.
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