[
    {
        "predicate": { "item": "mekanismtools:bronze_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/bronze"],
            "double/head_right": ["double/butt_right", "butt/bronze"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        },
        "improvements": {
            "double/head_left:workable": 1,
            "double/head_right:workable": 1
        }
    },
    {
        "predicate": { "item": "mekanismtools:lapis_lazuli_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/lapis"],
            "double/head_right": ["double/butt_right", "butt/lapis"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        }
    },
    {
        "predicate": { "item": "mekanismtools:osmium_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/osmium"],
            "double/head_right": ["double/butt_right", "butt/osmium"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        }
    },
    {
        "predicate": { "item": "mekanismtools:refined_glowstone_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/refined_glowstone"],
            "double/head_right": ["double/butt_right", "butt/refined_glowstone"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        }
    },
    {
        "predicate": { "item": "mekanismtools:refined_obsidian_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/refined_obsidian"],
            "double/head_right": ["double/butt_right", "butt/refined_obsidian"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        }
    },
    {
        "predicate": { "item": "mekanismtools:steel_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/steel"],
            "double/head_right": ["double/butt_right", "butt/steel"],
            "double/handle": ["double/basic_handle", "basic_handle/stick"]
        }
    },
    {
        "predicate": { "item": "immersiveengineering:axe_steel" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/steel"],
            "double/head_right": ["double/butt_right", "butt/steel"],
            "double/handle": ["double/basic_handle", "basic_handle/treated_wood"]
        }
    },
    {
        "predicate": { "item": "naturesaura:infused_iron_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/infused_iron"],
            "double/head_right": ["double/butt_right", "butt/infused_iron"],
            "double/handle": ["double/basic_handle", "basic_handle/treated_wood"]
        },
        "improvements": {
            "double/head_left:naturesaura_aura_mending_innate": 1,
            "double/head_right:naturesaura_aura_mending_innate": 1
        }
    },
    {
        "predicate": { "item": "naturesaura:sky_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/sky"],
            "double/head_right": ["double/butt_right", "butt/sky"],
            "double/handle": ["double/basic_handle", "basic_handle/treated_wood"]
        },
        "improvements": {
            "double/head_left:naturesaura_aura_mending_innate": 1,
            "double/head_right:naturesaura_aura_mending_innate": 1
        }
    },
    {
        "predicate": { "item": "botania:manasteel_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/manasteel"],
            "double/head_right": ["double/butt_right", "butt/manasteel"],
            "double/handle": ["double/basic_handle", "basic_handle/treated_wood"]
        }
    },
    {
        "predicate": { "item": "botania:elementium_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/elementium"],
            "double/head_right": ["double/butt_right", "butt/elementium"],
            "double/handle": ["double/basic_handle", "basic_handle/jacaranda"]
        }
    },
    {
        "predicate": { "item": "botania:terra_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/terrasteel"],
            "double/head_right": ["double/butt_right", "butt/terrasteel"],
            "double/handle": ["double/basic_handle", "basic_handle/terrasteel"]
        }
    },
    {
        "predicate": { "item": "aquaculture:neptunium_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/neptunium"],
            "double/head_right": ["double/butt_right", "butt/neptunium"],
            "double/handle": ["double/basic_handle", "basic_handle/neptunium"]
        }
    },
    {
        "predicate": { "item": "mythicbotany:alfsteel_axe" },
        "item": "tetra:modular_double",
        "modules": {
            "double/head_left": ["double/basic_axe_left", "basic_axe/alfsteel"],
            "double/head_right": ["double/butt_right", "butt/alfsteel"],
            "double/handle": ["double/basic_handle", "basic_handle/alfsteel"]
        }
    }
]