^ my LBS does that, eyeball alignment using "crude" methods at times. Usually not in front of customers though. Funny to see them put a foot to a frame or fork and call it a "precision alignment tool".
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1989 Schwinn Paramount OS
1980 Mclean/Silk Hope Sport Touring
1983 Bianchi pista
1976 Fuji Feather track
1979 raleigh track
"I've consulted my sources and I'm pretty sure your derailleur does not exist"