Jaycar Mouth-Operated Whistle with Pocket Clip – Pealess, Loud, Always on Your Keyring

Your voice carries maybe fifty metres in a gully. This whistle carries further, and it works when your throat's gone from screaming or you've got a swollen joint and can't grip a button. It's pealess, so no waterlogged internals after a rain-soaked day on the track. The pocket clip means it lives on your keyring, your jacket, your daypack strap – somewhere you'll find it in two seconds flat. Add to cart. Five bucks. You'll be glad it's there

• Pealess design – no internal mechanism to clog or fail
• Mouth-operated for one-hand use when your other hand is busy
• Pocket clip keeps it on your keyring, jacket, or pack strap
• Compact and lightweight – adds nothing you'll notice in a bag