Those of you that use headless systems know it can get kinda nuts. You have cheap pot-metal Steinberger knockoffs (lookin at you, Overlord of Music) some mid-market options with different options like string through, backloaded Nova that are light weight and feel nice, but might be kind of hard to dial in for height and intonation...

Then you have the Hipshots, ABMs, and boutique sets.

So inherently you have a lot of challenges cramming all the functionality of a conventional bridge...

Guyker 4 String Headless Bass Bridge (and headpiece) report!