Carbon Fiber Brushes


I've worn out 2 of these in the last year. Is this normal? Please opine on the best brush out there.
jphii
I have both the Audioquest and the Hunt. I only use them if I don't use the 16.5. I'm not sure how you can wear them out so fast, they should last years.
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Have they been falling in the Lavagulin ? The peat is murder on the bristles.
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Rgds,
Larry
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I wore one out, but then started parting my hair in the middle and they seem to last much longer.
I have a little brush shaped like a wisk broom I got from Raskins that is made in Japan. I don't know the brand other than SFC is one the otherwise japenese label. But it works great and I haven't used the carbon fibre since.