He looked through the trees to where Primitivo, holding the reins of the horse, was twisting the rider’s foot out of the stirrup.
He reached his arms up, took the reins and swung up into the saddle.
There had still been snow then, the snow that had ruined them, and when his horse was hit so that he wheezed in a slow, jerking, climbing stagger up the last part of the crest, splattering the snow with a bright, pulsing jet, Sordo had hauled him along by the bridle, the reins over his shoulder as he climbed.
He was wearing rope-soled shoes and the stirrups were a little too short; his submachine gun was slung over his shoulder, his pockets were full of clips and he was sitting reloading the one used clip, the reins under one arm, tight, watching Pilar mount into a strange sort of seat on top of the duffle lashed onto the saddle of the buckskin.
There are no more uses of "rein" in the book.
Show samples from other sources
The court reined in agency power—describing it as out of control.