The Stockton slap is one of MMA’s best signature moves. At UFC 196 Nate Diaz unleashed the Stockton slap upon the unchecked cheek of Conor McGregor multiple times in their two round main event. At the end of the night both Diaz’s palm and McGregor’s cheek were beet red due to all of the slapping.

From a technical perspective, how would one land a Stockton slap in an actual fight? Also, what does getting repeatedly slapped in the face by another man do to one’s soul? Let Duane Ludwig of Bang Muay Thai and UFC bantamweight contender TJ Dillashaw explain to you the science behind the Stockton slap.