Jar-With-a-Twist Billed as End to ‘Peanut Butter Knuckles’

Jar-With-a-Twist Billed as End to ‘Peanut Butter Knuckles’, Good Morning America – Yahoo!, July 30, 2013. The men behind Jar With A Twist, from NC State University, have developed a threaded container that pushes the stubborn dregs of peanut butter out of the bottom of the jar, much like a deodorant tube or a push-pop. Steve Smith, undergraduate studies, featured.