Art, I suppose you could buy another blanket and test it - taking pictures along the way. IMHO the manufacturer should not be permitted to sell an unsafe design (with non-functioning safety features) - it could harm others. -Jason White --=20 Jason White --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .