Jetscream whistle
Old-fashioned? Perhaps. But a whistle is still the best way to call for help if you’re lost or injured or a victim of crime. There’s no need for batteries and a whistle is much more piercing than the human voice.
This was the loudest one we could find. The manufacturer claims it’s rated to 122 decibels, just on the threshold of pain for the human ear, so the name is appropriate! But what really sets it apart from regular whistles is the “pea-less” design, which means there’s no little ball inside, so it still works in wet or icy conditions.
Price: R86 (Note: Prices accurate in May 2010)
Contact: Proventure Products 021 976 7437; www.proventure.co.za
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