Here's a text and image based tutorial for Poomsae 4. Screenshots taken from the youtube channel "wootaekwon" and demonstrated by master billy. You may see their video too.

⚠️You only see text explanations here because we removed most of it's screenshots to avoid copyright issues. We will try to add clear image guides with texts.

Watch the embedded video below and read the text for an explanation. We’re sorry for not being able to provide images at this moment. 

1) Attention, and bow. Start with joon bi (*1).

2) Block to your left. Cross your hands (left hand stays under the right hand, palm stays open), right hand stays closer to the body, left hand blocks the imaginary attack (palm stays open).

3) Long step forward with right foot, perform a knife hand strike. (Left hand under right hand, right hand attacks)

4) Repeat the same for right side. Block, step forward and strike (knife hand).

1) To your front (comparing from where you started), perform a knife hand strike (left hand stays above the hand, right hand hits the neck, palm stays open)

2) Front kick with right foot.

3) Add a following straight punch.

1) From your previous position, perform side kick with your left foot. Without pausing or adding extra movements , perform another sidekick with right foot, ending with knife hand block (right hand blocks the imaginary attack, left hand stays below and close to the body)

1) Spin to your left, and perform a block (similar to knife hand block, but palm stays closed) *1

2) Without stepping forward, perform a high frontkick and block (no step forward) *2 and *3

3) Repeat the same for your right side (comapring where you are). Block, front kick and block (no step forward).

1) Knife hand block to your front (comparing where you are).

2) A high front kick and a following block (similar to knife hand block but palm stays closed).

1) To your left, perform a block (with right hand, palm stays closed,)

2) Punch without any forward step.

3) Repeat the same for your right side.

To your front (comparing where you started)

1) Peform a forward step + block, double punch (without forward step).

2) Repeat again, block with your right hand, double punch (ends with right hand).

3) Finish at the starting position with a bow.

You learned it