You say the katrina is a new trick. Its a new way to link existing tricks just like this darkside combo. Explain your reasoning on this.
Maybe you could point me to some clear cut definition of the word trick in regards to the realm of flatland. I define it as a position, link, variation.
Of course anything darkside is a new way to link something.
Lets face it, links are usually harder, sometimes drastically harder than positions.