Awesome idea. Reminds me of an antique lure where they use a glass tube for a minnow, rigged with wire and hooks. It would also be worth testing out with crappie minnows through a spear hole, just to see if it attracts panfish. I think a clear cylindrical minnow bucket would be a neat concept for panfishing, but it would need to be narrow enough to get in a fish hole.
What better way to keep your sucker from getting beaten up. Now I just had another idea. What about a long clear tube for those really big expensive suckers. Trying to put a harness on one of those is like trying to wrestle a muddy pig, you have to get them in a headlock first.