Curb chains are as ubiquitous as lobster claws, and usually neither are special. We're in the everything is special business, so if I can bring something new or innovative to a project I can usually get interested enough to do a good job… even if the job is re-imagining the mundane.More than 20 years ago I fell in love with old chain making machines, they've got as many moving parts as a mechanical watch and they're beautiful to see in action. Dozens of levers, arms and bumpers dancing in…