Source : WordNet®

straitjacket
     n 1: anything immaterial that severely hinders or confines; "they
          defected because Russian dance was in a straitjacket";
          "the government is operating in an economic
          straitjacket"
     2: a jacket-like garment used to bind the arms tightly against
        the body as a means of restraining a violent person [syn:
        {straightjacket}]