pinching bar

from The Collaborative International Dictionary of English v.0.48

Pinching \Pinch"ing\, a.
   Compressing; nipping; griping; niggardly; as, pinching cold;
   a pinching parsimony.
   [1913 Webster]

   {Pinching bar}, a pinch bar. See {Pinch}, n., 4.

   {Pinching nut}, a check nut. See under {Check}, n.
      [1913 Webster]