Smart Sips, Sarcastic Quips Add a splash of sass to your sip routine with the Muffle Master Tumbler. Featuring bold duct tape graphics and the hilariously unapologetic quote “Even duct tape can’t fix stupid, but it can muffle the sound,” this drinkware delivers attitude with every ounce. Built to keep your drinks perfectly hot or cold, it’s the ideal companion for the no-nonsense caffeine lover who enjoys a laugh with their latte. Whether it’s for yourself or a gift for the brutally honest friend in your life, this tumbler doesn’t whisper—it winks.