I really need a mod for my duncan FHZ
there is a lot. Satin finishing, highwall, silicone/pad recess, and adding weight rings are a few that come to mind.
Use the search button to find more.
silicon recessing wiping caps schmove rings weight rings
well what does your fhz do or doesn’t do that you don’t like?
Try that
11 Different ways to modify your yoyo.