The Maori ta moko is different from tattoos in that it is carved with a "chisel", leaving the skin with grooves rather than keeping it smooth.
Banoi Herald Excerpt #37
Banoi Herald Excerpt #37 is a collectible item in Dead Island. It can be found in the Laboratory map of Act III. It is part of the My collectibles, let me show you them! challenge, and the Gotta find'em all and Nearly there achievements.

After talking to Will in the Laboratory, enter the nearest bathroom and you will find it in a stall.

Can be seen on the following map: