Answer:
In order to avoid injuries.
Explanation:
There is a slant in the arm when we used the blocking move because this sloppy direction of the arm helps to stop the attack of the opponent. The word slant means sloppy direction or to give an incline view of something. This slant helps to cover the face and avoid any injuries happens to the face or surrounding region so that's why this sloppy direction of the arm is used by the fighters during fight to avoid the any injuries of the face.
