| 摘要 |
An elongated member has a first axial end and a second axial end. The first axial end has a device for gripping the elongated member. The second axial end has a recessed slot. A blade member is fixedly connected to the second axial end of the elongated member. The blade member has a first side and a second opposite side. A portion of the first side of the blade member is disposed within the slot of the elongated member. The second end of the blade member is a free end having a sharp angled edge.
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