There is a potential for the half hitches at the top to slide up. The friction/U lock that Gorgone mentions in the videos will do a lot to prevent slippage and also makes the half hitches much easier to untie. The really dangerous option here would be to use half hitches without that lock at the top!
Shibari Study Support
Berlin, Germany
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28 Feb 14:43
Troy Yung I think you're all talking about the same thing by saying counter tension and larks head! Really glad you're enjoying the content and we hope this helps! Also, for what it's worth, sometime later this year another basket harness tutorial similar to this one will be being released with another rope handling trick for the single column tie, so keep your eyes peeled for that!