Being a South Paw, I was needing a solution for the left side of our truck. I found a custom door pouch 'organizer' from Door-Daddy. They have an insert for the front cup holder in that organizer that you can install to wedge your EDC into when traveling. I usually just carry it, but if I have to lock it in the console safe, that's where it will go when I pull it out of the safe to travel. Easier than trying to holster it when in the truck.
I did have to trim it some to fit my H&K, but it's otherwise quite a solid mount. I don't think any trimming would be required for my bride's Sig.
Organizer:
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With My H&K:
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