The Power-Pole Micro anchor is the hottest thing for small boats and kayaks.

On the rear of a kayak or SUP:

https://www.youtube.com/watch?v=kLYImWaey4w



On the rear of a small boat:

https://www.youtube.com/watch?v=4hglstZjIYw




Will work on water craft to 1,500 pounds.

These are cool. I wonder how well they would work on a rocky bottom in a slow moving stream, probably not well enough.