Interesting idea, here's my initial thoughts:
- With enough "oomph" behind it, devastating on the animal
- Looks like the shaft isn't round where the blades are, doesn't that mess with the aerodynamics of the arrow
- Arrow length, can't cut off the front end and cutting off the back means new nock inserts, so how do you deal with people wanting different length arrows?
- Is the leading fixed blade head attached or can I take it off and use whatever head I want? If so, I could put a rage, or other mechanical on the front and effectively have a double mechanical?

Someone said illegal in their state. I'd have to check my states rules, but curious what's in the rules that makes it illegal.

Basically you've taken the advantages of a fixed blade and POSSIBLE made them do more damage for more blood, which is good.

You've taken the advantages of a mechanical and wiped them out by putting a fixed blade on the front.