My cats have always helped me discover where the hot water pipes run under the floor of new houses - they do love the warmth. This country isn't cold enough for electric blankets though so never tried that out.
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Rory
MkIIa, blue lit buttons, memory upgrade, 1Tb in Subaru Forester STi
MkII, 240Gb in Mark Lord dock
MkII, 80Gb SSD in dock