Read "Operation Terror" by Murray Leinster online for free on Textopian. Full text with search, annotations, highlights, and AI-powered reading aids.
It was a long descent, made longer by the blindfold and clumsier by his inability to move his arms. More than once Lockley stumbled. Twice he fell. The clawlike hands or handlike claws lifted him and thrust him on the way that was being chosen for him. There were whistling squeaks. Presently he realized that some of them were directed at him. A squeak or whistle in a warning tone told him that he must be especially careful just here.
He came to accept the warnings. It occurred to him that the squeaks sounded very much like those button-shaped hollow whistles that children put in their mouths to make strident sounds of varying pitch. Gradually, all his senses returned to normal. Even his eyes under the blindfold ceased to report only glare blindness, and he saw those peculiar, dissolving grayish patterns that human eyes transmit from darkness.