Video on how it looks like: https://youtu.be/82grKNvSV-4?t=132
A version of shade skip that uses this bit of extended wall hitbox to dash twice (first image) and that saves ~0.34.
Basically you just do what I did but make sure you walljump+right when the knight clings to this rock (second image). The rest of the tomfoolery is just to wait for the shade.
Feedback: If you dash twice on the wall and only one dash comes out then you pressed too late. If 2 dashes come out then you pressed too early
(EDIT: The actual rock to jump off of is the tiny one below the picture, my fault for the misinformation y'all)
4