A few times. Normally it is a fight to get the sheets tight to the block w/o them hanging up on the spikes that hold it.
I have tried the plastic blocks and the sponge they put on them is way too soft and leaves waves and even if they didn't, the hollow plastic does not transmit the feel the way the rubber does.
Last edited by JDHasty; 09-23-2022 at 03:28 PM.
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