What do you do when your super secret handshake is all askew? Take it to the Handshake Shack of course! Mindy and Guy take Grandma G-Force and Thomas Fingerling to the mall's newest store that uses the latest and greatest in hand tracking technology to fix any and all of your handshaking conundrums! It's the who, when, why, how and WOW of hand-tracking tech! For more ways to WOW your summer, visit wondery.com/summer-of-wow! And don't forget to tell us all about your summer WOWs, call us at 1-888-7WOW-WOW for a chance to be featured this summer!See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.