Answer:

reins

Answer	Crossword Clue
REINS	Holds back
REINS	Jockey's grip
REINS	Checks

REINS	Jockey's handful
REINS	Cowboy's controls
REINS	Means of control
REINS	Checkers for dobbins
REINS	Equine checkers
REINS	Driver's controls
REINS	Straps for steering
REINS	Hambletonian handful

REINS	Charioteer's handful
REINS	Bridle straps
REINS	Horse controls
REINS	Horsemen hold them
REINS	Symbols of leadership
REINS	Silver stoppers
REINS	Stagecoach controls
REINS	Dobbin's restraints

REINS	Controlling straps
REINS	Pulls (in)
REINS	Curbs
REINS	Rider's handful
REINS	Sets limits on, with "in"
REINS	Trigger stopper?
REINS	Equestrian tools
REINS	Tack room gear

REINS	Harness straps
REINS	Curbs, with "in"
REINS	Bridle attachments
REINS	Hansom straps
REINS	Coachman's handful
REINS	Clydesdale controllers
REINS	Jockey straps
REINS	Equestrians pull them

REINS	Horse holders
REINS	Jock straps?
REINS	Jockey's straps
REINS	Harness parts
REINS	Trigger controls?

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.