It is n't load bearing , it 's frighteningly easy to mis - tie and produce a ' granny knot ' which are even worse ( though not much ) . It will invert at the slightest provocation which can lead to it simply unravelling and here he was putting it into her leg ! To give you a clear picture Clifford Ashley ( revered as a knot God ) has remarked that the reef knot is likely responsible for more deaths than all other knots combined . Happily my knowledge of knots saved us all from an awkward situation .

Question: What may be a plausible fact about   knots ?
Answer: None of the above choices .Reef knot has an edge over all knotsGood knots require knowledgeKnots cause deaths