How to sharpen a pruning silky saw

Pruning saws need to be razor sharp to be efficient. Here's how to sharpen one so it keeps the pull saw cutting feature.
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The files are available at Landmark Trading of Stamford, check out their website: https://www.landmarktrading.com/silky-file.html . The book is available at https://www.lowimpact.org/book-title/heating-with-wood-second-edition/

Видео How to sharpen a pruning silky saw канала Andy Reynolds