bdsm : This Intriguing Knot Can Make Tethered Ropes Irreversibly Shorter/Tighter With A Simple Pull: The 'Tiernan Catch'
This intriguing knot can make tethered ropes irreversibly shorter/tighter with a simple pull: the 'Tiernan Catch'
original: https://reddit.com/r/bdsm/comments/6fxx13/this_intriguing_knot_can_make_tethered_ropes/
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