I built one sd card adapter from scratch, using a memory card and a female sd
connector like you.
I soldered wires on top of the copper fingers or on the tracks leading to them,
just leaving enough space on them for the memory card to correctly fit into the
Then soldered the wires to the sd connector.
I cutted too some of the tracks to ensure the memory card electronics would not
interfere with the sd card.
And... it worked!