By now most Consumerist readers are familiar with the Grocery Shrink Ray, where the amount of a product in a package shrinks over time to keep the price of the product consistent without decreasing profits. Sure, that’s annoying and perhaps a bit misleading, but the Shrink Ray’s sneakier twin — slack-fill — is even worse, and now it’s the reason for a class-action seeking lawsuit against Nestlé, accusing the candy company of “recklessly” underfilling its Raisinets boxes. [More]