When Michael Malkin and his business partner, Luce Fuller, showcased their invention on ABC's Shark Tank, they had no idea how close they were to losing a contract.

Long before Calm Strips appeared on Shark Tank, the company had built a following for its discreet stress-relief product -- ...

Unlike the Arc Pulse, which uses friction to stay on the phone, the case I got slides onto the phone, and then I had to ...