On 5/10/2020 9:09 PM, Bob_R wrote:
On Sat, 9 May 2020 08:54:04 -0400, Paul McGrane
wrote:

Those are unusual, I've never seen anything like that.
Bob


Those are Power Pole anchors used for shallow water fishing. Push a
button and the poles extend down and stick into the bottom, holding you
where you want to be. They run about $2,000 each.

Paul