Shop › KŌRI BJJ Journal - Black - A5 Image 1 of 1 KŌRI BJJ Journal - Black - A5 $28.00 From your first roll to competition day, KŌRI helps you document, assess, and grow every step of the way. Quantity: Purchase Added! From your first roll to competition day, KŌRI helps you document, assess, and grow every step of the way.