GoPro HERO5 Black with 3-Way Grip Bundle is on Offer on Amazon US. You can get this for a Deal price for $399 for a limited time. Hero 5 Black alone will cost you $398.99 and official GoPro 3-way Grip is priced at $69 . So basically you are getting the grip for free. Currently this offer is not available with GoPro Hero 5 Session Check out the Offer page here.
US Deals, Offers, New Arrivals