The socket is broken and needs to be replaced.

I used a socket wrench to tighten the bolts.

I bought new socket wrenches for my toolbox.

I bought some sockets to fix the lamp.

This armchair is cosy and comfortable.

She wears a cozy sweater in winter.

She wears her quilted housecoat to keep warm.

The comforters are comfortable and warm in winter.

She snuggled cosily under the blanket.

The cozy blankets are perfect for snuggling in cold weather.