Here are the locations of the 6 nolander hats released earlier; they’re all free!
Red: in jsi museum
Green: in the house on the beach next to the unstick me hospital
Purple: in the magus subway
Rainbow: in the secret sewer shop (in southridge, all the way down; run into the wall on the far left)
Glowing: box factory
Cyan: in the hotel below kuronekos shop (you don’t have to glitch, use the elevator and tackle the windows)