Shisochin was widely believed to be a favourite kata of Chojun Mayagi.
The meaning of ‘Battle in 4 Directions' is illustrated in four ‘Shotei' (palm heel strikes) executed in four directions. The four Shotei could equally be interpreted as the pushing of an opponent away or to establish the desired fighting distance.
Shisochin kata includes close quarters and long distance techniques, hard and soft motion, and open and closed hand techniques (with the majority being open hand). Shisochin also incorporates joint locks, breaks, and arm bar techniques.
The kata starts with three nukite (knife hand) strikes performed in Sanchin stance. Nukite strikes are performed with a sharp thrusting motion with accompanying exhalation and targeting vital areas of the opponent's body. Movement in Shisochin kata is intended to bring fighting distances to where close quarter techniques can be applied effectively and is often referred to as the Grappler's Kata.
Broseley Goju Kan teaches Shisochin kata generally from 1st Dan (depending on the abilities of the karateka).
A video showing Shisochin kata is shown below.