My memory may not be what it once was, but I was previously under the impression that HBB (Hells Bay Boatworks) only made 21' and 27' deep-v boats. Unless that is a custom feature, I don't recall there being bow thrusters in any of their boats - at least none of them that I have fished off of.
Now, it could be an ingenious way of keeping live shrimp alive
