$HeadSlot - Middle of head (Facing up)
$BackSlot - Center back torso (Facing backwards)
0 - Middle of right hand (Facing whichever way the hand is facing)
1 - Middle of left hand (Facing whichever way the hand is facing)
3 - Right foot? (Unsure. If it is, it's facing down)
4 - Left foot? (Unsure. If it is, it's facing down)