New Englands Patriots star Rob Gronkowski helps brother Chris pitch his insulated “Ice Shaker” sports bottle on Shark Tank this week. Former Dallas Cowboys, Denver Broncos and Indianapolis Colts fullback Chris invented the insulated bottle after his career ended back in 2013. On Shark Tank, he is joined by Rob and the other Gronk brothers to try and seek investment to grow the business. He came up with the idea for the Ice Shaker after getting fed up with plastic shaker bottles when he was going to the gym. He would find ice he put in always melted by the...read more