Most antique lap desks are really meant to be used on a table or some other stable surface.

The 2suit is equipped to fasten to a stable surface.

The rear of the bed, which is hinged in place, is a more stable surface.

It was a delicate maneuver; boats in open sea did not handle like rolling objects on a stable surface.

For such people, a stable and regular surface is necessary for safe walking, particularly on stairs.

You'll want to install it 2 to 6 feet off the floor, on a stable surface.

Many have no detectable edge when there is a stable surface.

Earth laid over top to provide a stable surface.

The feet should be kept together and slightly above the ground or put under a stable surface.

Lay a soft towel on a clear, stable surface for baby to lie on.