Thanks, Allison. And I had a similar thought about the glass. It would really be pretty scattered in my garden, especially if there was a lot of it, but I like to walk around in the garden and often with just flip-flops on my feet. A disaster waiting to happen.
(Bubbles posted her response before I clicked Finished.)
Maybe it's the beer aroma that the slugs and snails don't like. (Snugs and slails)