Do a quick web search for 'pottery shop rule'. You're welcome.
Try one of these readymade: http://morrisminorspares.co.uk/shop/product_info.php?products_id=428
Well I got some from, shock horror, a tile shop. Brian
I just called local spare shop, quoted £18.50 for seal. fray
http://www.walter-service.com/shop/index.php?cPath=31_36
I used to shop there a lot.
My local motor shop stocks Loctite 271 threadlocker. :))
Look for a farm shop that sells them by the sack.
It is if you buy it from a farm/shop directly.
The fish and chip shop in the Dolphin centre in Tring.......