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In page Edith Bone:

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She put week-long efforts into removing a very large nail from the iron-hard oak door of her cell. To accomplish this, she slowly removed single threads from towels and wove them into a solid rope with which to work the nail. After weeks of straining effort to get the nail to begin to wiggle and then loosen, she finally got the nail out. She then sharpened it on the concrete floor and used at as a drill to create a small peephole in her cell door so she could finally see out of her cell.[citation needed]