Craft (n.) made the worker himself the machine: he was the living body that carried the tools, which is why the factory, by handing the tools to a machine, felt like a dethronement.
A Craft (n.) can be closed without its community being closed: it is closed because its training works only on those who grew up saturated in it, which is why farmers can migrate to Paris and the trade stays home.
Craft (n.) knowledge is pre-technical: it prepares everything and stops at the mould's door, never entering the operation itself.
Craft (n.) made to measure has no inner law: its rules are dictated from outside, by whoever ordered it.
Craft (n.) lingers in any machine science has not yet looked at closely: the giant Van de Graaff generator is still half an artisan's object.