They were soft and elastic, what Hugh in his own words would have described as "blobby." They seemed to be made of some stuff like indiarubber, and were just the colour of his skin.
"What funny things!" said Hugh.
"They are made after the pattern of the fly's wall-climbers," remarked the raven.

"Put them on--tie them on, that is to say, so that they will be just in the middle of your foot, underneath of course.

That's right; now jump out of bed and follow me," and before Hugh knew what he was doing he found himself walking with the greatest ease straight up the wall to where the long flight of steps to the tapestry castle began.

On the lowest steps the raven stopped a moment.
"Shall I take them off now ?" asked Hugh.

"I don't need them to walk up steps with." "Take them off ?" said the raven; "oh dear no.