Hockey-Dot Designs and builds modular hockey training tools in Minnesota. Our Underpass Cones are designed to help develop the hand skills of hockey players. Use a spare stick and press it down into a set of cones. This creates a bridge under which you can pass a puck or ball to help develop your hand-eye coordination. They are also the base component of the Underpass system, a platform that is specifically designed for coaches that carry their gear with them and can be expanded to suit your budget and practice plans.