First on his shopping list should be a pair of fluorescent orange overalls that don't fit - anywhere, together with some smelly, steel toe-capped boots.

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In America ski boots attract a zero tariff, but golf shoes can face a 10% rate, and steel-toe-capped boots 37.5%.

ECONOMIST: Trade

Finishing things off: 2 millimeters of lining leather, Vibram rubber soles, a steel shank, a leather heel counter and a styrene toe box to harden the front and prevent nasty stubs.

FORBES: Entrepreneurs