Jellyshroom Hanging Sign is a item from Unknown Mod, crafted from Chain and Jellyshroom Stripped Log.
Crafting using Chain, Chain, Jellyshroom Stripped Log, Jellyshroom Stripped Log, Jellyshroom Stripped Log, Jellyshroom Stripped Log, Jellyshroom Stripped Log and Jellyshroom Stripped Log, arranged in the pattern shown. Produces 3× Jellyshroom Hanging Sign.
Crafting 
Jellyshroom Hanging Sign ×3 guaranteed
betterend:jellyshroom_hanging_signbetterendunknownminecraft:blocks/ceiling_hanging_signs minecraft:blocks/mineable/axe minecraft:items/hanging_signs
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
"I I",
"###",
"###"
],
"ingredients": {
"#": {
"item": "betterend:jellyshroom_stripped_log"
},
"I": {
"item": "minecraft:chain"
}
},
"conditions": [],
"sequence": null,
"group_name": "sign",
"experience": null,
"cooking_time": null
}