Two cards - how to quickly delete an image on both?

Hi,

Question for X-Pro2 owners:
I am looking for a method to quickly delete an image on both cards.

Usually when I am traveling I look through the images of the day in the evening. And delete the ones that I don't like. No need to arrive home with all the duds and out of focus images.

My X-Pro2 is set up to record raw on slot 1 and jpg on slot 2.

I can scroll and delete images only on one card at a time. Which means I scroll through the jpg images and delete the ones I don't like. And...

Two cards - how to quickly delete an image on both?