Artcome Chestnut Tool Set, Chestnut Clip & Chestnut Cracker Peeler with Stainless Steel Picks, 304 Stainless Steel Nut Opener for Chestnut Pecan Walnut, Kitchen Gadgets for Chestnut Lovers

Looks like a chestnut cutter/plier. Chestnuts have thin fibrous husks that needs to be cut because the husk doesn't crack like a walnut shell. Nowadays those chestnut cutters look like the plier-looking tool in this set: https://www.amazon.com/Artcome-Chestnut-Cracker-Stainless-Kitchen/dp/B0G8YDRT1S/ Click on the video to how the use of that cutting plier looks like.