The oblique kick targets an opponent’s knee and is one of Jon Jones' trademark moves
Another option from a Muay Thai perspective is for a fighter to attack the supporting leg with their right foot:
The problem with the oblique kick is that the supporting foot is in no position to absorb the low kick or block it. Unlike in the sequence above, if a fighter can time the oblique kick and hit the supporting leg at the same time they could potentially injure their opponent’s knee.
From my original post on: https://www.bloodyelbow.com/2017/7/11/15918932/defeating-goat-beat-jon-jones-part-1-technical-breakdown-ufc-striking-wrestling-grappling-editorialhttps://www.bloodyelbow.com/2017/7/11/15918932/defeating-goat-beat-jon-jones-part-1-technical-breakdown-ufc-striking-wrestling-grappling-editorial