That biker must've been from one of the devil-worshipping motorcycle clubs, because this bandana is printed with Hell's angles.
(In-game plural: pentagram bandanas)
|TOP 10 pentagram bandana collections|
6. Pastahead - 342 | 7. arbalaragan - 204 | 8. Sal the Rapacious - 199 | 9. Mistress of the Obvious - 184 | 10. Nikademus - 173
Collection data courtesy of ePeterso2 and Jicken Wings