How do I make an undroppable hat?

You can take the Handle out of the hat, and then weld it on to your head I guess.

This is a lazy method, it just return the hat to character, so its placed back. (place the script in the character)

script.Parent.ChildRemoved:connect(function(child) -- triggered when a child is removed
    if child:IsA("Hat") then -- check if it's a hat
        wait() -- a little wait to prevent errors
        child.Parent = script.Parent -- return it to the character
    end
end)

The problem is that the hat still jumps forward and other person can catch it. I tried to weld it to the head, but still the same.