I wonder if anyone tested this Headband in combat, what bonus it gives?
Since if you wear it and try to make any Int roll ... it first take your own modififer (-1 if you dumped it, knowing about the Headband) and then it gives you +3 ... wich effectively means you only gets +2 ...

I wonder if it works the same in combat. O_o

In the words of the senior NCO instructor at cadet battalion:
“If you ain’t cheating you ain’t trying. And if you got caught you didn’t try hard enough!”