sam wrote:
If you have empty clear-plastic bottles which once contained Coke or
lemonade or the like( say about 1 to 2 litres),cut off the tops and
bottoms so that you have a tube about 9 inches long and put it over
the seedling.Select the size to suit the height of the mature plant
and you will have quite an effective organic slug barrier.

Plastic isn't organic, but I know what you meant... ;o)