Thread:Uncleredelf/@comment-44205871-20191022070259

You can slightly upgrade this belt at Oswald Fiddlebender.

But for this you should first give Oswald working tools from the Vale of Shadows. If you gave the tools to him and bought Girdle of Gond from Orrick then Oswald will (for the price of ~1250 GP or so) upgrade this belt so it will give better bonuses to thief abilities (+15% instead of +5%). 