Sakura Pigma Micron® 03 red pen is a good tool for use in creating tangle step-outs
Sakura Pigma Micron Pens (Set of 3) : Office Products
Sakura of America Pigma 0.35mm Fade-Resistant Micron
Sakura Pigma Micron 03 Black Pen 0.35mm Line Width
Sakura Micron Drawing Pen, 03, Black
SAKURA Pigma Micron Fineliner Pens - Archival Black
Sakura - Pigma Micron Pen - .30mm - Black - 02
Micron Pigma 6 Pen Set Black
Sakura Pigma Micron .35mm (03) Red
Sakura Pigma Micron 03 (.35 mm nib)
The Only Official Zentangle Sets: Sakura of America offers official Zentangle sets for a meditative art form Express Yourself: Create beautiful art
Sakura Zentangle Tool Set - 1 Black Pigma Micron Pens, 2 Gray Micron Pens, 1 Black Graphite Pencil, 1 Tortillion, 5 3.5 White Paper Tiles - White
Sakura Zentangle Tool Set - 1 Black Pigma Micron Pens
Sakura Zentangle Tool Set - 1 Black Pigma Micron Pens
Sakura of America Pigma 0.35mm Fade-Resistant Micron