I wouldn't spend much for it, but if I had one I would try it. Tonight on my long commute, I was contemplating this tool. It has been a while since I even gutted a deer ;:;boozerbut one time, back in the day, I gutted one with a small lock blade knife. I didn't want to wreck the knife trying to split the pelvis so I cut around the a-hole and pulled the spincter into the cavity when I pulled everything out. Actually worked pretty slick. A few turds fell out but not major and no bladder issue.
Now I am not sure how the above tool is supposed to work exactly, but if you shoved it in an then pulled out a bit so you could cut easier, it might just work. Maybe I would stay in and keep the pellets in too. Pretty sure most of you fellas just put a finger in there, but in my old age and gigantic gut, I would likely cut my finger off. If I ever get a tag again I may have to roll my pennies and get one.