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I used to use a pencil, as apparently many others do. The eraser deteriorates and the graphite in time too. I would be reluctant to use a trekking pole as I suspect UV would deteriorate the tape. ...
Answer
I used to use a pencil, as apparently many others do. The eraser deteriorates and the graphite in time too. I would be reluctant to use a trekking pole as I suspect UV would deteriorate the tape. ...