What Ho Chaps,
Many thanks for the informed replies,...................although some of the later responses did tend to wander slightly from the subject matter. (Haven't the quality of inflatable dolls improved in the last couple of years, even inflatable sheep are now available)
I recognise the sense in what @terryf says, but lack motivation to spend large amounts of moolah on my tin roofed garage, but as I have a small portable refrigerator made in the style of a chilly bin which is of little use now that it has lost it's refrigerant I will adopt the ides of @Dicko and @Cigar.
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