Preserving potatoes in a clamp

You may need to build these deeper into the ground for places that get much colder.
It's something to experiment with since there's little details about this technique.
It's crucial that your potatoes or roots are compleely dried when you add them to your clamp.

You do have more information here about root heaps although they build it a little bit differently, they raise a few good points.
https://archive.org/details/barnplansoutbuil00hals/page/232/mode/2up?view=theater