Constrained (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">constrained</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for limited that I've seen before include "Checked" , "plc" , "Sort of company" , "Bounded, circumscribed" , "Narrow" .)
(Another definition for manacled that I've seen is " Shackled".)