Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

In the Demon Slayer anime, Haganezuka Hotaru who is a swordsmith wears a straw hat which has bell attached to it. Is this a traditional accessory in Japanese culture?

Demon Slayer: Was Hotaru Haganezuka Ever Seen Without His Mask?

Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

Did Obanai Iguro from Demon Slayer wear the mask around his mouth simply because he did not show his cut mouth? Or was there other reasons why he kept it hidden?

Somewhere in his village, Hotaru Haganezuka felt a sudden urge to commit murder : r/KimetsuNoYaiba

What does Tanjiro's sword color mean in Demon Slayer (Kimetsu No Yaiba)? - Quora

Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

What does Tanjiro's sword color mean in Demon Slayer (Kimetsu No Yaiba)? - Quora

Since Tanjiro throws his sword into the forest at the end of Mugan train, does he use Rengoku's sword after that? I saw some fan art of it and thought it would

If Tanjiro is a sun breather, how can he be a water breather? - Quora