You can put a pillow under your knees for support.

She went down again, felt the rocks under her knees, and he was right there.

The old human under his knee moaned and tried to move.

He looked at the ground under his knees in dejection.

Then he extended his own legs under her other knee, to hang over the edge of the bed.

She fell backwards as he attempted to put his other arm under her knees.

His hands tightened under my knees and shoulders, hard as a promise; he would never let me go.

Swinging an arm under the younger man's knees, he picked him up easily.

He is said to have always slept with the head of a Connachtman under his knee.

Without any warning, Rome reached out and hooked one of his arms under my knees.