Sourface Style Kenpo

The Sour Face Style Kenpo (ニガムシ流拳法, Nigamushi-ryū kenpō) is a martial art invented and used by Sour Face.

Overview
Sourface invented the martial art after he quit Bang's dojo after he was beaten up by Garou.

He used it to participate in the 22nd Super Fight Tournament to get new disciples and made it to the quarter-finals before he was defeated by Saitama.

His Super Fight performance seems to have worked, as he was later seen training multiple pupils in his dojo.

Known Techniques

 * Choke Hold: Sourface puts his opponent in a chokehold. It was strong enough to defeat Jakumen in the Super Fight Tournament.

Trivia

 * As Sourface is no good at leg moves, it can be assumed the martial art doesn't involve many leg based attacks either.