How do you use the curve brush in ZBrush?How do you use a curved tube?How do you make a tube in ZBrush?How do you smooth a curve in ZBrush?How do you make hair in ZBrush?How do I make an imm brush in Zbrush?How do you curve a shape in ZBrush?How do you edit a curve in ZBrush?How do you clear curves in ZBrush?How do you get long hair in ZBrush?How do you do stylized hair?How do I install ZBrush brushes?How do you use IMM in ZBrush?How do I save IMM brushes?How do I add tools to ZBrush?