 So you want to know the fastest way to extract shapes quickly. Not a problem. Real quick shoutouts to AS for telling me about this brush in the comments. I looked it up later and found most of this information from Michael Pavlik's tutorial, which I'll link to in the description. So thank you and here we go. Hold CTRL, click here and pick Mesh Project. From now on if you left click drag on the object you'll create extractions in that area. While holding CTRL, Z intensity controls the thickness. If you draw over the same area it will overlap. If you draw some extraction and don't change the camera at all, when you hold ALT and CTRL left click you will remove the extractions instead. Under stroke you can change the shape to circles and squares and of course if you hold ALT it will subtract those shapes instead. Also with the Rec stroke active you can pick different alphas for specific shapes, which again can be subtracted with the ALT key as well. Custom alphas can also be found in the line box, alpha and hard surface folders here. If you ever need a super specific shape you can set stroke to curve and when you left click drag it will make a perfectly straight line, when you press ALT it will add a bend and if you double tap ALT it will make a sharp bend instead. So use this if you really need to make a particular shape. If you don't want things to overlap when you left click turn live booleans on, hold SHIFT and when you left click it will turn your extraction into its own object. From here if you keep left clicking it will continue to add to the same layer inside a new object. And this also works if you hold down the ALT key. It will do the exact same thing but in reverse. Now let's say you don't like how it's cutting into the body. If you only want it to cut into this object then click the arrow next to it here. That will tell ZBrush not to apply the boolean operations to anything above this object. So the body shape will be preserved. This is a super easy and fast way to quickly just start carving cool designs and shapes from your character. I hope that helps and as always I hope you have a fantastic day and I'll see you around.