2 Chainz and Mark Cuban Check Out the Most Expensivest Horses | GQ & VICELAND

2 Chainz is joined by Dallas Mavericks owner and featured 'Shark Tank' guest Mark Cuban to hang out at the Dallas Equestrian Center, home of the best horse trainers in the country. That's right, they're checking out the most expensivest horses. Also, if you're interested, The Horse Gym 2000, the premier treadmill for horses, can be yours for just $40K.