Make sure your box is high enough so your lower back does not round in the tuck position. Better use a box too high than too low!

After extending both knees take a small step towards the wall with your hands to end up in a chest to wall handstand. Nothing but your feet is touching the wall! Look at your hands and elevate your scapula.

Point1 foot a tthe time. Keep your ankles together. Do not move the leg! Nothing but the toes of the immobile foot touches the wall.

Scapular elevated at all times. Look at hands at all times. Walk as close as possible to the wall. Do not allow your stomach to touch the wall. Feet only!