On Oct 2, 9:43 pm, Mark Thorson > wrote:
> It appears to have a little valve in it.
> And why is it in such a fancy box?
>
> http://cgi.ebay.com/_W0QQitemZ330170223246
>
> What would the screw end fit into?

It's a cask tap, isn't it? The screwish end would go through the bung,
and the tap would regulate the flow.