Octuple scull
An octuple sculling shell, often simply called an oct and abbreviated as an 8x or 8x+, is a racing shell used in the sport of rowing. Unlike the eight (8+), a racing shell with a crew of eight rowers and a coxswain (cox) that can be seen at the Olympic Games and the Boat Race, in which each of the eight rowers have one oar (or blade) which they pull with both arms, in the octuple each of the eight rowers has two oars, one in each hand and use a rowing technique called sculling.