As describer that (described at) Full Belly Project.org, the Universal Nut Sheller is basically assembled corn with in a corn (a cement cone with in a cone).The top and bottom are open.

• 正如fullbellyproject.；org网站上所描述的，环球脱壳器基本上是一个水泥圆锥体套着另一个圆锥体，顶部和底部是开口的。