I carried a pager or cell phone clipped to my jeans/shorts hip my whole corporate career while enjoying life ... pushed into a pool, climbing in/out of boats, and once knocked off into a toilet. Between those and sunglasses, I've "lost" about ten or so .... none in the past 15 years.
edited: And the only 10mm rolled into the innards of my bass boat .... I didn't lose it

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Rolled back out a decade later too!