Uses a big 2x4, leveraging it around the seat tube
 - Uses Park Tools FAG-2 he also has a wooden one (they had one of these at Our Community Bikes
 -2:00 He finds that the rear triangle is shifted 6 mm
 - 2:45 Has to move each side 3 mm
 - he does several iterations
 - 4:42 Moving the second side inward, moving inward is the most awkward because the 2x3 has to leverage around the seat tube then all the way out to the outside of the chain stay
 - FFG-2 Tools
 - then he checks that the two frame stays are parallel