Once upon a time, we received something so incredibly ridiculous—an office supply store package of adhesive rubber dots, repackaged with an i-Prefix name and marketed as a way to scratch-proof an iPod’s back at a big price premium—that we couldn’t quite believe how low some companies would sink to make a buck. Just Mobile’s oddly-named new Lazy Couch ($25) accessory for MacBook Pro users is not that product, nowhere near…