"TheOldFellow" wrote in message
. ..
| I've seen these advertised, so I'm experimenting with home-made rings
| made from copper round some of my herbaceous plants.
| Now the rain is forecast to return (North Cumbria), I'm expecting
| the damn things to be at my lupins any day.
| Does anyone have experience with them? Any advice?
|
| R.
|

Might be worth you watching this before investing too much

http://www.youtube.com/watch?v=C3CuWtYK0xQ