On Fri, 16 Aug 2013 08:35:41 +0100
"Stanley Daniel de Liver" wrote:

On Thu, 15 Aug 2013 14:04:35 +0100, Rob Morley
wrote:

On Thu, 15 Aug 2013 12:26:17 +0100
Bertie Wooster wrote:

Sheep dip at every cycle lane exit, what an excellent idea!
www.whisky-pages.com/images/sheep-dip.jpg

This one please: http://www.plainales.co.uk/sheepdip.html

Does it come from a Black Sheep?

That reminded me to look up "Riggwelter" - and now I know. :-)