Wow. "Very impressive threat. Well done. Don't worry, I do not think your shoes would fit me anyways. They're useless to me."

That's reassuring, right?

That makes it seem like she is being dramatic and Yelena is tempted to protest, but she also does prefer this method of exchange, so in the end she just rolls her eyes and, well, follows instructions. Disgusting. She doesn't notice any change in the shoes when she picks them up, but she supposes that makes sense. With some unavoidable reluctance, she fishes the knife out of one of her pockets and holds it out, handle first, with the driest "Merry Christmas" she can manage.