They must not leave their horses unhitched.
"The Road and the Roadside" by Burton Willis Potter
Bobby's big brother John unhitched Prince, put him into the stable and pushed the buggy into the carriage-house.
"Bobby of Cloverfield Farm" by Helen Fuller Orton
He unhitched it and was across its back before the white boys had had time to realize the meaning of the terrible news.
"In the Musgrave Ranges" by Jim Bushman
They reached their destination at last, unhitched and turned the horses into a large barn in the rear of the dwelling house.
"The Spoilers of the Valley" by Robert Watson
I move we just unhitch long enough for a feed and a good drink, and lay in what water we can carry, and go on all night.
"Two Arrows" by William O. Stoddard
Guess your man'll need to unhitch his horses and turn the cart round.
"The Golden Woman" by Ridgwell Cullum
Twice on the journey he halted and unhitched his horses for feed and drink and a roll.
"The Twins of Suffering Creek" by Ridgwell Cullum
Neither spoke again until the horses were reached, and Bill had unhitched his reins from the corral fence.
"The Law-Breakers" by Ridgwell Cullum
You must go out on the limb and unhitch it.
"St. Nicholas Magazine for Boys and Girls, Vol. V, August, 1878, No 10." by Various
I could plainly see two men unhitch two horses from behind the carriage.
"Where Strongest Tide Winds Blew" by Robert McReynolds
A runaway carriage horse wreaked havoc during the start of rush hour Thursday afternoon, unhitching himself and running off before hitting a parked car near Columbus Circle.
Trailer Park, Unhitched: With Killer Joe, Friedkin Continues His Slow Descent Into Depravity .
Once in a while, those of us who tow dinghy vehicles get into "oops" situations in which we need to unhitch the car and back out.
(AP) — Authorities in Savannah say a truck driver has been cited after a trailer containing eight circus animals became unhitched on a highway.
The Shin Shield prevents shin and leg injuries that understandably can happen when you're distracted by other things when hitching or unhitching the trailer.