The Doorman Season 6, Episode 18

Kramer

Uh huh. Your back hurt?

Frank

How did you know?

Kramer

Well, it's obvious, you know. You're carrying a lot of extra baggage up there.

Frank

(looks down, and indicates his chest) Up here?

Kramer

Oh, yeah. Top floor. (sits beside Frank) Listen, Frank, have you ever considered wearing something for support? Now, look at this. (reaches into his pocket) Mind you, this is just a prototype.