|Sources: Darren Selley, Fitness Videos|
The first move in the form is to switch into closed ready stance B after splitting your hands. If the ready positions had no applications, this would be nonsensical, but lucky for us they do. Closed ready stance B can make a guillotine choke, for instance. We use this application after blocking a haymaker with the heaven hand, as shown in the right gif (two examples).
The form doesn't give you any follow up. You can continue to choke out your opponent or, if you are throw savvy, attempt to throw them.
Bent elbow crank
The upset punches in Kwang-Gae are also in slow motion, indicating body manipulation. After defending with the heaven hand, overhook your opponent's haymaker as they retract, getting the bent elbow and cranking it upwards with the upset punch. This nasty shoulder lock is called maki hiji in jujitsu. It was used a couple years back in the UFC by Jon Jones. You can use the second upset punch as a strike, as shown in the below image.
|Application for heaven hand followed by two upset punches. Source: imineo, catch jutsu|
Grasp head, guide back
The next set is:
- Double step forward into palm hooking block
- Step and slide backwards into low section knifehand guarding block
Suppose you attempt the elbow crank but your opponent straightens their arm, or they pull you in, or you overhook their shoulder instead. Use the double step forward to force them to bend over, and then strike/grasp the back of their head with the palm hooking block. Finally, use the step and slide backwards into low section guarding block as a quick throw, guiding their head backwards. See the footnote for another interpretation of this set. (ftn. 1)
Pass arm, two handed push
Something else I thought of: if you don't wish to harm your opponent, you can use stepping back into low guarding block to pass the opponent's arm after defending with the heaven hand. Then use stepping forwards into cat stance guarding block as a two handed push (see right gif) to disengage.
Side kicks, shoulder lock takedown
The second time you perform the two side kicks, your hands are oriented differently. This suggests there may be an application that begins, rather than ends, with them.
After blocking with the heaven hand, use the low side kick (pressing kick) to kick in the opponent's knee. If they defend by turning in their leg, follow with the middle side kick to their ribs while grasping their arm. You then use the inward strike with front hand coming into chest to fold the opponent's arm back, granting you a shoulder lock. From here, pull your opponent to the ground. Note that the Hapkidoin in the example below doesn't need to kick before doing the takedown, although he does strike the opponent's side with his elbow.
|Sources: imineo, expert village|
That concludes Kwang-Gae. This isn't the only way to interpret the pattern, but it is a way to link all the applications together. Although the sets are all against the same attack, the locks and takedowns provided can be used in a number of situations. What a form does is teach you various ways you can control an opponent. It's unlikely you will ever use a set as literally provided in a form, due to an opponent's unpredictable reactions, but the more techniques you know the more versatile your fighting style becomes.
Po-Eun also begins with the heaven hand, but not the splitting hands. Furthermore, from my analysis Po-Eun seems to be more of a grappling form. The heaven hand can also be used as a head push, so that might be what's going on.
1) There is another application for this set I rather like: against a single lapel grab, you can grab under the opponent's sleeve (upset punch), pull it in while striking their jaw (palm hooking block), and then guide them down to the ground (step back into low guarding block). The double step can be used to get off the opponent's line of fire and strengthen the force of the hooking block. You can also use the shape of the palm to dig into the opponent's throat, although this isn't strictly necessary. Taekwondoin Colin Wee applies the same application against a wrist grab.
|Source: One minute bunkai|