When you don't need them they won't incommode you, and they'll be all ready for the next time.
Besides, though it mayn't seem so to you, these steps are not so easy to get up as you think.

At least they wouldn't be without the wall-climbers." _With_ them, however, nothing could have been easier.

Hugh found himself in no time at the top of the flight of steps in front of the door from which the raven had come out.

The peacocks, now he was close to them, seemed to him larger than ordinary peacocks, but the brilliant colours of their feathers, which he had noticed in the bright moonlight, had disappeared.

It was light enough for him to distinguish their figures, but that was all.
"I must leave you now," said the raven; "but you will get on very well.
Only remember these two things--don't be impatient, and don't take off your wall-climbers; and if you are very much at a loss about anything, call me." "How shall I call you ?" asked Hugh.
"Whistle softly three times.