It works well, but, fair warning, I am skinnyfat and have a small bum. It works well for me.
I thought I needed to remove some of the filling (there's an inner zippered bag inside the cover, as well as a "scrim" container within that). But, a few weeks/months of sitting on it have broken down the filling a bit to where I don't feel any need to remove anything.
There are some that are a little larger for those broader in the beam. https://www.amazon.com/Zafu-Crescent-Meditation-Buckwheat-Certified/dp/B00QUBJ1ZI/ref=sr_1_14?ie=UTF8&qid=1500170790&sr=8-14&keywords=yoga+cushion
We have a number of folks in the DFW area shooting hunter off a bag.