If one uses only one bight, then the balance of lace
consumption is lost --not good for shoes, though one
could anticipate this with lace lengths. In some cases,
I've used just one bight with the
squaREef knot when
there was too little left for tying it in full (not the case
for shoes).
--dl*
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ps: There is less bloat in 'X1' than ...