Wanted to use my PopSocket with my Quad Lock case. So I designed one that only uses the pop up part of the PopSocket so it sits flush when not in use. :
Quad Lock-PopSocket Swappable Adapter (UYPA35F2R) by atelierpolymath
Fold 4 Quad Lock x Popsocket : r/GalaxyFold
Quad Lock-PopSocket Swappable Adapter (UYPA35F2R) by atelierpolymath