There is provided an overcap for a resealable container that includes a drying agent layer. The device includes a member defining a passage, a valve, and a fluid communication conduit. The rotatable stage may include a structure to support sets of handles for positioning of a subject’s hands for at least some of the body poses. Each of the piercing portions is formed by stamping a relevant portion out of a side plate 14 of the wire connection portion 12 and by raising this stamped-out portion.