Soon after three in the morning, Jason found himself stumbling and, at one point, actually trying to walk along on his knees.

From this distance, they looked like a pack of nuns trying to walk away on their knees.

You get so low you have to walk on your knees almost.

I hadn't broken a leg, but it seemed I'd be walking on my knees in any case.

Not far into the film the most pressing questions become: Is he walking on his knees?

Gram pointed out to him that he was walking on his knees.

He walked on his knees to the bedside and took her hands.

She then got onto the table and 'walked' him up and down, on her knees.

She walked forward on her knees, and knelt in my lap.

She walked towards me on her knees and pressed both hands against my temples.