Somerville bowline single column tie

Rope bondage ties

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  Three wraps
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  Loop the tail- tail to front and pull bight forward through loop
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  Pull bight forward through loop and fold under the cuff
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  and fold under the cuff... (difficult bit first time)...
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  ...and pull it up through the first loop
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  pull it all tight- holding bight and tail
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  Enjoy