local OldIndex

OldIndex = hookmetamethod(game, '__newindex', function(self, property, value)
    if tostring(self) == "Head" and property == "CanCollide" and not checkcaller() then
        return
    elseif tostring(self) == "Torso" and property == "CanCollide" and not checkcaller() then
        return
    end
    return OldIndex(self, property, value)
end)