Controlling straps (5)
I believe the answer is:
reins
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">controlling straps</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for reins that I've seen before include "Straps to control" , "Checks" , "Power to direct and control" , "Control for horses" , "Rider's straps" .)