SUP World Mag: Kai Lenny and the Big-Wave Tow-in Invitational 0 3 21 Mar 2019 11:04 Playak Kai Lenny talks about his involvement in The Big-Wave Tow-In Invitational, a tow expression session, and, importantly, the joy he experiences being yanked into waves by a jetski and how he thinks it can help to progress the sport.