I received a small pile of wooden clamps...I'll call 'em "screw clamps". You guys know what I mean...two pieces of wood with threaded rod between them-you see pictures of them all the time. Know what? I can't figure out how to use them and when I do get them to clamp, in a simple fashion, I don't get the big deal! I mean, most other clamps are better from what I can see. I read about these things all the time but I'm sorry....I don't get it. These are nice...some are new, but clamping a simple corner yesterday was a joke. I tossed em back in a dark corner until I know more.
Whats the big deal with these things?