How this seatbelt cushion went from a pitch in the tank to Walmart's shelves

2:45 PM ET Tue, 23 May 2017
Shark Tank catches up with Drop Stop founders, Marc Newburger and Jeffrey Simon. Since making a deal with Lori Greiner, sales for the seat belt cushion have increased and the Drop Stop can now be found in Walmarts around the country. Shark Tank Monday - Thursday Starting at 7P ET