Steel in Base (2 Balls) by Leo Smetsers - TrickLeo Smetsers has done it again with his Steel'in Base balls. What Leo has done is create a leather Cups and Balls baseball set that have a core of hollow steel, which means it will stick to a magnet. Perfect for turning any cup into an impromptu Chop Cup (by using a PK ring etc) Now at any time during your Cups and Balls routine you can add a Chop Cup phase without having to look for the combo cup in your set and that's if you even have one! The