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Trying to get so called Backbone in a knot that is not in a handle at the proper loft is impossible.
Looking at the two handles above tells me your going to get lofts of 55mm+ maybe more,Little...

For you it seems to work.good luck.

My Apologies,In the above pic I thought I was seeing broken hairs.
Back bone and overblooming are dependant mostley on the loft setting IME.

I think your buying cheap knots,All new knots will shed to a point.
When you consider a 24mm Knot has about 10K hairs your going to have some loss,Than it will stop.
Sorry, do not think your...

Call me stupid,am not understanding this test,that also looks to be a very cheap Knot.