
It actually pretty easy to do it. All you have to do is to extract the incrt.fsh and the incrt.o file into the xcourt folder, and then rename it to practice.fsh and practicecrt.o. I tried it on the beach court to:

It doesn't seem to work as good on the outdoor courts. It's possible, but alot harder to do.
You can also do it the other way around:
