Garuda mask - Karuramen

…Oni and Tengu are both spiritual beings incarnated as mountain gods, and their masks also have their origins in the Gigaku masks. Among them, there are two types of Tengu masks: the Chido mask, which is used to ward off evil spirits as a prelude to the Gigaku performance, and the Karura mask, which is used to eat poisonous snakes. As Chido has a nose-high face and Karura has a crow face, two types of Tengu were created: the nose-high Tengu and the crow Tengu. Next, there was a belief that vengeful spirits could become Tengu, and this was called "falling into the path of evil." …

*Some of the terminology explanations that refer to "Garudamen" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…山神の化身的霊物としては鬼も天狗も同じであるが，その仮面もその起源はともに伎楽面にある。なかでも天狗面は伎楽の先払いとして魔を払う治道（ちどう）面と，毒蛇を食べるという迦楼羅（かるら）面で，治道は鼻高面，迦楼羅は烏面なので，鼻高天狗と烏天狗という2種の天狗の形象化が起こったのである。　次に怨霊が天狗となるという信仰があって，これを〈魔道に堕ちる〉という。…

※「迦楼羅面」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報