Laborn
Number one: educate yourself on the mindset and the realities of the real world outside of your school. Just like you are doing here by posting a question and getting a wide range of advice from a wide cross section of people. There are plenty of books out there that deal with this kind of material Marc "Animal" McFarn, Geoff Thomson (?), Hock Hochheim, Tony Blauer (?), and others all have material (in some form or another DVDs, tapes, books, web sites etc. etc.) that deal with this subject material on self defense.
I believe that once you educate yourself you can adapt your training to include a more realistic way to train for SD without really leaving your current/base style. I'll give you a few examples what I mean. (posible long post warning
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1) Think and study your root or basic techniques and blocks. Several different applications can come from these movements, you just need to be aware of what they are.
a) For years in the 80's I would attend seminars in JKD and I took a lot of abuse for being in TKD. However at one seminar we went through a knife defense and the first block was a standard upward block (but with an open hand to grab the weapon hand with). Later on there was a throw/take down that came from the root movements of the outside /inside block that I learned in TKD. One of the disruptions/takedowns in the silat material is the same basic movements as stepping back in forward stance.
b)In the filipino martial arts (that I now study) many of the disarms and such in the empty hand material can be related to the same movements I learned as blocks in TKD. The foot work is similar, and all of the years I spent moving up and down the floor in fwd stance is the same as when I'm trying to get in when the stick has been swung past me and its time to crash.
c) Look at the structures of the kicks what comes out first your knee, what do you use in close but your knees. So train to use them in close, your body already knows what to do, you just have to train your mind when to use it.
2) As stated previously low kicks to the leg works well but you must train for them. In our dojo we did this, but I found it was very hard for people in other schools to spar against and they didn't like it.
a) I sparred with one TKD BB (outside of the school) and he couldn't handle it, messed him all up, word got around to me from other people at work that I fought dirty and such cause I kicked to his knees and legs, and I didn't touch them. (But I could have
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3) Adjusting your training to include SD. There has been a lot of posts on grappling and the need for those skills. I would agree but with a need for SD.
a) Another time I was working out with some San Soo guys and were sparring free for all. As I was being set up for a throw I stuck my fingers in his eyes (again controled of course and I had trained for this) and went with the throw. When we grappled I did the same thing.
b) Hock has us go through a drill where we grapple on the ground and one person goes for submission lock of any sort and the other goes for the eyes. Eyes have won the vast majority of the time. This doesn't mean you have to take up grappling just adjust the intention of the drill.
c) On the subject of kicking, Hock in his courses again has the student kick from the ground from laying on your side etc. etc. It is still the same type of kick but slightly modified since you are on the ground.
d) In TKD we use to do one step self defense/sparring. Adjust it slightly. Both students stand close together as if talking (no ready stances or Kias telling the person I'm ready attack me here) then one takes a swing at the other. (Here a haymaker type works well) And the defender defends against the punch free style (as in SD type techniques).
In closing TKD or any system really can be good for SD only your must train for it. While some are better in teaching SD than others, I believe they are all different paths up the same mountain. What matters are the guide (the teacher) and the climber (the student).
Mark