Crossword Clue:

BRIDLER one who restrains to hold back

AnswerCrossword Clue
REVERSIONISTOne who wants to go back to past ways
MANACLEIt might hold one back
NOSLOUCHOne who can hold her own
LOCKQUASHEROne who suppresses a wrestling hold?
IDROPPEROne who can't hold a letter?
SORRELLOSEROne who can't hold his horses?
IRESTMYCABOOSEPronouncement from one who can no longer hold up his end?