What’s summer without some cool tunes to jam to? From now through October 31st you can score a free battery-operated portable speaker that is designed to fit onto the top of any empty Pringles can to intensify the sound. Just hook up your MP3 player or similiar device to start rocking out! To get your free speaker just send proof of purchase from any four Pringles cans and this redemption form to the address shown on the form.