Hair Elastics as Oxygen Tubes

[Airframes]

You're welcome Andy.

Wojtek, they're very flexible, but 'solid', in that they are not hollow inside.

 

[Wurger]

THX Pal. I've thought these were solid. That's a pity. If there was the hollow inside it would be possible to put a copper wire into. This would allow to curve the hose and keep its needed shape.