Scout/src/main/resources/data/scout/recipes/satchel_strap.json

{
  "type": "minecraft:crafting_shapeless",
  "lib39:discovered_via": "scout:tanned_leather",
  "ingredients": [
    {
      "item": "scout:tanned_leather"
    },
    {
      "tag": "c:string"
    },
    {
      "item": "scout:tanned_leather"
    }
  ],
  "result": {
    "item": "scout:satchel_strap"
  }
}