Quote:
Originally posted by ref18
For those of us who work on chain crews, it could put half of us out of jobs, that's why I think it never caught on 
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It uses one person instead of three (although it is much easier with two!). Either way, it's not half a chain crew. Considering your 3 R's line at the end of each post, it's obvious "rithmatic" wasn't your strong suit.