Barbell, PupBox, Line Cutterz, Energybits

A couple from San Francisco, California, pitch their subscription service for puppy products; a woman from Boston, Massachusetts, hopes to popularize algae as a nutritional health supplement in America; two buddies from Las Vegas, Nevada, design apparel for athletic builds; and an avid fisherman from Hudson, Wisconsin, wants a deal for his fishing line cutting tool. Also, a follow-up with Bantam Bagels, which Lori Greiner invested in during season 6.