"Did you ever think about what being in a shell must be like?"

I was 14 or 15, really in my own shell.

And it's all got to work in the same shell.

Unless you're working in the shell and do your best work there.

"7 "You think I live in a shell or something?

Then I'd make a tiny hole in the shell and try to see inside.

Yet I am not in a shell that blocks the outside world off from me.

His head and shoulders were already in the suit's top shell.

There was still a lot of debris in the building's shell.

She had been safe in her shell, secure from the world.