If you take a job at an airline, beware if your new co-workers ask you go find them a belly stretcher—they’re playing a practical joke on you. This is part of a complete episode.
Stokes basket n. a rigid body-sized platform in which a stretcher or litter can be secured for transporting patients, usually in precarious environments. Also Stokes stretcher, Stokes litter, Stokes. (source: Double-Tongued Dictionary)