How often do you replace T/O rugs?

[ahlam1399]

This winter I have noticed the filling on my medium turnouts seems to be clumping and falling away, mostly from back and hip area -no damage and still fully waterproof so looks like I?ll rather begrudgingly have to replace them. Having browsed online so many rugs all seem very ?technical? (*ahem* 'spose they've got to justify those prices somehow?!) and I?m a bit loathe to pay those prices for something that seems to have a limited lifespan anyway, so how often do you replace your rugs (and what do you use?)

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