What has always worked well for me is encouraging carnivorous behavior in leopard slugs. I find all the slugs in my garden, place them in a 5 gallon bucket. Seal it so they can't get out but still breathe. Those that live a week are obvously carnivorous and get released.
She changes everything She touches, and everything She touches changes.
it's a teeny, tiny, wafer thin ad:
Video of all the PDC and ATC (~177 hours) - HD instant view