I too profess to know very little about this, but it sounds a lot like what Long Live The Kings has been doing, except I think they used wooden trays?

I once interviewed Charile White, who told me he and Mr. Scottie were old time friends. As I remember, Charlie said he invented the concept for the downrigger that we now know as the Scottie and took it to Mr Scott to have him manufacture it.
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No huevos no pollo.