As I stated earlier, words have meanings. It is the use of words that communication happens.
This brings me to this.......primal arc. What is it?
I googled primal arc and got some interesting results, but nothing to help me understand the meaning of this phrase as used in relation to aiming.
Sometimes it is a good idea to included the definition of words or phrases being used in order not to be misunderstood or to make your meaning as clear as possible.
It is never a good idea to assume that everyone knows the terminology used to express yourself.
This is why some will ask questions in order to understand what was being discussed.
The only way the bridge length does not matter is when the cue is not being pivoted at the bridge, but the whole body including the cue is rotated into position. This is the only way the length of the bridge does not matter.
Hoo-boy, here we go, folks. Everyone, you now need to include a legend, dictionary, and bibliography to your every post that you want duckie to understand.
Afterall, in his eyes, there's no such thing as "spirit of the law" -- it's all letter of the law from here on out. Meanings are only derived from the exact words used -- and not the spirit in which they were intended.
-Sean