>>11099578Usually it makes the fully bent leg look more natural (cue the knee spike comments) compared to typical double joints that looks like the leg was broken in two points. Same can be true for ball-peg because that's the second joint. Maybe her thicc thighs made it necessary. The method is definitely more effective the thicker the legs are.
At least it's better than Supergirl's knees. Classic case peanut knees.
