If youâve just lost to your brother in a fight that involved you both dressing in Ned Kelly armor made from barrels and swatting each other with absurdly large weapons, do you honorably admit defeat and step away⦠or do you escalate things by fabricating a comically large sword, strapping it to the arm of a construction excavator, and driving up to his doorstep to demand a rematch? Such was the dilemma facing Hong Kong based YouTube maniac Handy Geng . Geng specializes in constructing,...