Greg Sirca made me some custom joint protectors for my custom Schuler cue. The Schuler joint is no walk in the park to fit with protectors. Greg did a great job as you can see in the pics.
Those are real sharp looking. As it is, I'll be getting a Schuler pretty soon that I may be looking to move. (Not sure, gotta hit with it a few times first and see if I want to keep it)