Please elaborate.

If I have time I will try the frcition clamp again today on a wider range of records.

You have to admit though that my 'magic mat' transformed the Rega - one of the bigest turntable changes I have ever heard.

P.S. Those Kef's of yours (not just yours almost all Kef's) ate notoriously 'well balanced' but also notoriously 'flat' (in my flat little world).