Trim Dynamic can get that effect. Keep in mind that most of the planar and trim brushes in Zbrush work off of the initial normal you start drawing from so you want to find a good angle that already exists in the slope and use that as the starting point. Try Trim Smooth border. It's not loaded by default so you have to…
I did it's amazing for making perfectly flat surfaces, but not smooth curved surfaces like I'm aiming for. Imagine the Clip Curve tool as a brush rather than a tool, if that doesn't give a good enough example, go outside, find a branch/stick with little twig bases poking out, now take small knife and carve along the side…
As others have said, you're going to have to overcome the fear of critique and try to do some of your own example techniques with what brushes you think work. You gotta remember that we all started somewhere when it comes to developing techniques to creating different textures (Zbrush hasnt been around forever). People use…
Two attempts, top one is my second attempt, Feel like I did two different styles, but I'm not entirely happy, I felt like I didn't have a much control as I wanted with the Trim dynamic and Hard polish, I really hate how if you don't have them at the right size or proper angle the dig in instead of making a nice…