Found this heavy, spiked metal disc in the back of a junk drawer. Sharp as needles. No idea what it’s used for?

safe location, away from areas where it might be accidentally touched or knocked over. A small box or protective covering can help prevent accidental pricks and protect the spikes from bending.

When using the kenzan, it’s best to handle it from the sides, avoiding direct contact with the spike surface. In terms of storage, keeping it dry and clean will prevent rust and prolong its lifespan, especially if it is made of materials prone to oxidation.

While the kenzan