A: The WC system doesn't have "hip throw".
B: There are over 20 + kind of "hip throw" in WC. They are just not in the WC forms.
A: The Taiji system doesn't have "flying side kick".
B: There are over 20 + kind of "flying side kick" in Taiji. They are just not in the Taiji forms.
A: The longfist system doesn't have "flying knee".
B: There are over 20 + kind of "flying knee" in longfist. They are just not in the longfist forms.
Who is right? A or B?
How will you be able to know that a certain technique is not from "cross training" if it's not in the forms? Your thought?