In our last 2 caravans I've used the usual standard metal wine glass clips and budget wine glasses from any of the supermarkets have fitted OK (see picture if this link works!)
http://www.amazon.co.uk/PLS-Position-Wine-Glass-Holder/dp/B005NY5VY8/ref=pd_bxgy_sg_img_y
Perhaps Bailey use something different? If so, maybe you could change to this type. Similarly, on our last 2 caravans, we've always left the turntable in the microwave - we just wrap it up in a couple of layers of bubble wrap and have never had a problem in 7 years.
John M