| http://www.w3.org/ns/prov#value | - In the combination as defined in claim 4, said releasing means extending beyond the end of said needle whereby upon thrust being exerted against such means as it is pressed against a surface, it will be caused to slide on said member. 6. in the combination as defined in claim 5, said needle having a pointed beveled outer end and said detent engaging the beveled surface of said needle. 7. 1n the co
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