Ama-Tsu-Mara
Amatsumara or also known as “Amenomahitotsu” is the Shinto kami of ironworking and blacksmiths. He was discussed in the Kojiki and is associated to the giant yōkai Daidarabocchi. He is also the patron kami for blacksmiths.
He acts as a blacksmith for the gods up in Takamagahara. In many versions, he made a mirror with the help of Ishikori-dome no Mikoto, which was used to lure Amaterasu from her hiding place in the rock cave of heaven.