Slugs and Snails Eating My Hostas?

Every year this happens to my Hostas. I have tried putting beer in pans and that did not help and this year I am using something called Eliminator - slug and snail killer. I have been putting it on faithfully and at first it seemed to help, but as you can see something is eating them now. Any ideas would be most appreciated.
slugs and snails eating my hostas, gardening, pest control
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