This is the pod, it has a widespread pattern, I tinted it orange with a film. it's pretty cheap but appears to be very well made.

https://www.amazon.com/gp/product/B07JPY61YS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

I use thule wingbar, there is a rail notch (or T slot? not sure how should I name it) under the bar that allows me to mount the light easily.