On Mon, 16 Mar 2009 11:58:08 -0700, martin_pentreath wrote:

Don't get excited, I think he means he's doing what I've been trying, ie
using a fenn trap but building a tunnel round it with four bricks and a
couple of tiles.

Yep. A couple of old-fashioned terracotta drainage pipes, one either end
seems to make it irresistible.