120 ZBrush Zipper IMM Curve Brushes
https://www.artstation.com/a/30309062
50 Closed Zipper + 50 Open Zipper left + 20 Open Zipper right
120 IMM Brushes for Zbrush and 120 3D model ( max, obj )
Refer to the following address, to purchase the complete set of these tutorials and brushes:
https://www.artstation.com/a/30309062