All those cool names, and then ‘Varicose Wart Slug’. Poor guy.

There’s always the Jewel Cooler:

They build this picture from many other sources besides ad clicks, so the point is to obscure that. Problem is, if you’re only obscuring your ad click behavior, it should be relatively easy to filter out of the model.

Just a rock or a knife, if you wear the animal down enough. You’re probably not biting through the hide though.