The actual accessory is the hair on the vroid, which is designed to form a hat. !!! It is recommended to use a smooth hair base (not a hair clip), to avoid hair showing through the hat, and if it still goes through, there is an XL option with a slightly larger size. and, To display the Logo You have to go to edit texture in hair, and activate the freehand item called (logo), You can change it with your own logo, there is a Photoshop template available in it.