The markers are

check it out for styles from writers such as Manks

They are available in three different sizes

which is also the subject of most of the pictures and texts in the book

Black work gloves from MTN

tombow airpress pen black 0 7mm Money The markers areThe Tombow AirPress writes the way most pens can't upside down, straight overhead, on damp paper, or down to 5C because of an internal pneumatic piston rather than relying on gravity to feed ink toward the tip. Every click of the button compresses air inside the chamber, pushing the oil based ink forward under pressure instead of letting it pool or stop flowing whenever the pen tilts or the temperature drops. That makes it a genuinely different tool