Steam-0:0:104766954 Aimbotter also Skillet Steam-0:0:104766954 Crazy upside down spin aimbotting Russian hack
It's called anti-aim. It inverts the angles of the player model to make the head hitbox be at the feet, the angles are reset when shooting. Not many people use spinbots anymore, it is an obsolete hacking feature as the head just stays in the same general location.