This is an ingenious product, and I love the design. The way it picks up shuttles without harming them is brilliant. Well done.
But it seems much slower to pick up shuttles in this way, compared to just bending down and grabbing them. The Shuttle Up can only grab one shuttle at a time.
If you have lots of shuttles in a small area, then you just squat down and stack them by hand. This is much faster than individually gathering them using the Shuttle Up.
If you have a few shuttles that are widely spread out, then the Shuttle Up would be better -- because you can stay upright all the time. It will be faster and more comfortable.
If you have lots of shuttles that are widely spread out, then the Shuttle Up will take ages. The most efficient option will be to gather the shuttles using a clean V-sweeper court brush, and then squat down and stack by hand.
So I feel this product has a narrow "sweetspot" for picking up shuttles. Too many shuttles? Then it's too slow. Shuttles close together? Then it's not needed.
Having said that, I would love to get my hands on one for some real-life experience. It also looks like quite a good feeder tube, independently of picking up shuttles.
What we really need is some kind of vacuum-cleaner feeder tube, which sucks shuttles into a wide (detachable) mouth, before magically orienting them comme le Shuttle Up.
Looks like it takes at least 1 sec to pick one up, so if there are 300 shuttles spread out, it'll take 5 min. Not only that, but it'll require extra concentration to make the shuttle orient up, as opposed to just scooping with a v broom all the shuttles to sort into stacks while seated on the ground.
Interesting product. Its a good idea but I'm unsure if it would sell since it there are similar products already out there. I have also met a couple of coaches who will actually get students to pick up the shuttles while another is doing the drill and stack the shuttles for them so they can go continuously with the drill and also teach the students to be careful with the shuttles and get used to picking them up. Then the students swap and this continues for however many students there are. Certainly younger children benefit from this as they get into the habit of picking up the shuttle so less time is wasted in games with them expecting the others to pick it up. But your product is definitely well thought out and I wish you the best in selling it.