with tow surfing, now you have a partner so there's that relationship. and that all plays on every given moment. >> on this day, garrett is the designated tower. his friends, al and andrew, catch the majority of the waves. while garrett never even intends to get on his board. >> they wanted to surf the left in front the rocks. and i didn't really want anything to do with that left. if you fall there, you're probably not coming home. so we go back out, and they're like, garrett, you go. and i'm like, no, i'm just driving you guys. >> with waves crashing all around him, it doesn't take much to convince this life-long water adventurer who has been surfing since age 11. >> i was like, ok, i'll take a wave. and we start going out, and he started to try and turn for the first wave. and i'm like, number two, number two. so then we go over the first wave, and there is this mountain coming at us. >> there isn't a moment to lose. and without hesitation, garrett makes the immediate decision to ride the wave. >> and he starts turning perfect to put me on it. and i'm