1, the tin walnut in the freezer for a few hours, frozen solid and then take out into the boiling water for a short while, you can easily open the walnut.

2, tin walnut is actually wild walnut, commonly known as "iron walnut". This wild walnut shell was oval, exceptionally hard and difficult to smash, the color is darker than ordinary walnuts, the surface is uneven, feel rough kernel less, while the ordinary walnut shell was round, meaty.

More about how to open the tin walnut, enter: /ask/d75a981616110554.html?zd to see more content