The Charm of Inari is a major Utility charm, named for the kami of agriculture, in Ghost of Tsushima. You gather more supplies, predator hides, bamboo and yew wood from pickups. You get it by honoring the Arrow Peak Shrine in Izuhara.
Climb to the Arrow Peak Shrine, north of Sakimori Overlook in Azamo Prefecture, and honor it at the top. You can reach it without the grappling hook.
Wear it while farming materials for armor and weapon upgrades.
Aaruul
Aaruul is one of the 50 Mongol Artifacts, pieces of the invaders' culture and warfare you can study. It sits at a camp south of Izuhara Clearing in Izuhara, and finding 20 artifacts counts toward the Know Your Enemy trophy.
Adachi Dragon Mask
Adachi Dragon Mask is a New Game+ mask sold by Baku the Voiceless for 5 Ghost flowers. It does not exist in a first playthrough.
Adak Tree
Adak Tree is one of the 50 Mongol Artifacts, pieces of the invaders' culture and warfare you can study. It sits at Yoichi's Crossroads in Izuhara, and finding 20 artifacts counts toward the Know Your Enemy trophy.
Adventurer's Fortune
Adventurer's Fortune is a dye for Traveler's Attire. It costs 10 flowers at the Izuhara merchants. Like every dye it only changes colours.