[Sir Francis Dashwood]

This is the very best...

http://www.karambit.com/karambit_training.htm

[starbase]

This is the very best...

Well that definitely looks impressive!

[SauronOfMordor]

There is no one "best" fighting style.

There are systems that work better for long-limbed fighters, and others that work better for short compact types. You check around, try stuff, and see what best fits your body type, mass, and age