A customer has a Mason BB on thick carpet with thick padding underneath, that moves fore-and-aft with pedaling. Caster cups don't make much difference (these are the 3 1/2" wide double casters). The casters aren't rolling (so brakes wouldn't help); there's just not enough side resistance. Ideas? Terry, what do you use on those cruise ships again? --Cy-- Cy Shuster, RPT ABQ, NM www.shusterpiano.com
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