Their characters look disproportionate (even in manga terms) and their faces are usually sloppily drawn and very basic. The only reason I can see that people should rave about their artwork is that they are admittedly good at drawing clothes.
If you want reference to good manga artists, go look at Koushun Takami or Akimine Kamijo.
(2)To literally place your robotic clamps on someone or something.
B. The Celtics put the clamps da Lakers 112-86 son !
C. "He's champin' for a clampin'." - Clamps, Futurama
D. "Gee, you think? You think that maybe I should use these clamps that I use every single day at every opportunity? shouting You're a freaking genius, you idiot!" - Clamps, Futurama