CIMG3774 Mysterious thin key-like object, of which I could not take a good picture, presented at Stump The Panel at the ArmadilloCon 2006
The essence of this panel is that the panelists are supposed to make up a science-fictional or a fantasy use for a random object. The objects are chosen by the audience. This key-like thing was one of the objects chosen by them. Read more about in my blog post on how the panelists found science-fictional uses for them.
ArmadilloCon is an annual speculative fiction convention in Austin, Texas, USA.