| http://www.w3.org/ns/prov#value | - In an exemplary embodiment, the outer layer 15 b of the removable gel pack member 15 has attached thereto at least one fastener 20 which may, for example, be of a hook and loop type, such as Velcro???, placed in position(s) so as to fasten to complementary fasteners 45 positioned on the inner layer 30 a of the removable heat pad member 25 and thereby to stably attach the removable gel pack 15 to t
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