It depends on how you look at it. All the techniques and extensions are all fixed, meaning "Ideal." Technically what are called base techniques are the 154 without the extentions. If you include Intellectual Departure, Spreading Branch and aggressive twins, you have 157 base techniques. I teach these three rather than Alternating Mace(s), Captured Twigs and Sword and Hammer.
The extentions are obviously additions to the base, but are still in a fixed format. So technically the extentions are not a part of the base technique, but they are ideal. As far as variations, there are many. That is the way our system was devised. Many base techniques are varients of others, which is why we have Master Key movements, family related techniques, etc. Some techniques are mixtures of two or more which provide an example of grafting. For instance look at escape from death. You have the other side of obscure wing (minus the lifting elbow and you have grip of death stepping back instead of forward. Perfect example of grafting and variants of other techniques.
Michael Miller, CKF
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