Horse-controlling strap (4)
I believe the answer is:
rein
(Other definitions for rein that I've seen before include "Part of a horses's harness" , "Animal controller" , "Hold back" , "Free ... is carte blanche" , "Restriction" .)
I believe the answer is:
rein
(Other definitions for rein that I've seen before include "Part of a horses's harness" , "Animal controller" , "Hold back" , "Free ... is carte blanche" , "Restriction" .)