strait·jack·et also straight·jack·et 
(strātjăk′ĭt)
(strātjăk′ĭt)n.
1. A long-sleeved jacketlike garment used to bind the arms tightly against the body as a means of restraining a violent patient or prisoner.
2. Something that restricts, hinders, or confines: the straitjacket of bureaucratic paperwork.
tr.v. strait·jack·et·ed, strait·jack·et·ing, strait·jack·ets also straight·jack·et·ed or straight·jack·et·ing or straight·jack·ets
To restrain, restrict, or hinder by or as if by confining in a straitjacket.