I would bet most on here do know what it is.

"Lee Michaels" wrote in message But
most of us have no idea what you
are asking for here. It might be an idea to provide a link so we can look
at
it. After all, it is hard to provide ideas and advice on something that we
have never seen.

Also, are these shepherds crooks that expensive? Buying one each year may
be a totally sensible expense and a lot less bother.