Hello there, I just have a simple question on how to weld a hat to an NPC. Currently when my NPC moves at all it will just leave the hat behind.
Will it not work with a WeldConstraint?
(Sorry I haven’t done much NPC scripting before)
From my experiments, Hats need the Mesh, a Handle and an Attachment to work, then need to be added as an Accessory. In code I do it like this:
local skull = ServerStorage.Pickups.Disease -- The "hat" is stored here. It's a skull to show a diseased player/NPC in this instance
function linkSkull(character) -- "character" is the Player/NPC to attach the "hat" to
local humanoid = character:WaitForChild("Humanoid")
-- Create the Accessory.
local disease = Instance.new("Accessory")
disease.Name = "Disease"
-- Create the Handle
local handle = skull:Clone()
handle.Name = "Handle"
handle.Size = Vector3.new(1, 1, 1)
handle.Parent = disease
-- Create the Attachment to the Player/NPC
local faceFrontAttachment = Instance.new("Attachment")
faceFrontAttachment.Name = "FaceFrontAttachment"
faceFrontAttachment.Position = Vector3.new(0, 2, 0) -- high Y value as the skull hovers over the players head
faceFrontAttachment.Parent = handle
-- Attach the Accessory to the humanoid.
humanoid:AddAccessory(disease)
end
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I should have specified that the hat is NOT from the catalog, it is made up of parts.
I have been having the same problem with my own animations.
OK, so the screenshot below shows how the Disease “hat” is attached to the player/NPC
To replicate this:
- Add an Accessory to the NPC
- Add a 0.1 x 0.1 x 0.1 part under the Accessory and call it Handle. Position the Handle inside the NPC Head
- Add an Attachment under the Handle, name it HatAttachment
- Add a Weld under Handle, name it AccessoryWeld
- In AccessoryWeld, set Data > Part0 to Handle (from above)
- In AccessoryWeld, set Data > Part1 to Head (of NPC)
- Insert your collection of Parts as a Model under Handle. Position the Model relative to the Handle inside the NPC Head.
I can’t guarantee it will work for you, but that appears to be how it is constructed when you look at your own Player character in the Workspace. Have a look.
Let me know if it works or not.
Bruh I literally just said it wasn’t a hat from the catalog, but doesn’t matter now. I used weld constraints and it works now even tho the first time I tried it didn’t…
The response I gave is nothing to do with hats from the catalog, but the correct way to add a model made of parts as a hat. Bruh.
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Hello @Allein277! 
It’s honestly so sad to see nobody finding the right thing for you. I have got answers for you to finish this topic.
this weld plugin helps. Try this. If it doesn’t work I don’t know.
Have a great day and hope it works! 
