A woman from Las Vegas, NV gets the Sharks to sit up straight and think about investing in her product that can relieve back pain; a brother and sister team from Carmel, CA, who call themselves the “Ice Siblings,” have a cool way to reduce inflammation in the body; a mechanical engineer from Emeryville, CA hopes to lock in a deal with his high-tech bike lock; and it’s tea time for the sharks as a woman from Goodyear, AZ shares her passion about her gourmet tea shots that can be prepared just like espresso drinks. Also, an update on Jess Edelstein and Sarah Ribner from Philadelphia, PA and PiperWai, an all-natural deodorant made from activated charcoal, in which Barbara Corcoran invested in during Season Seven.