Pealess safety whistle so it works even when wet and won’t freeze or clog.
For folks who have an Osprey pack with an integrated whistle in the chest strap, here’s the International Whistle Code ;-):
One blast: “Where are you?”
Two blasts: “Come to me”
Three blasts: “I need help!”
|Dimensions||5,5 × 2 × 0,8 cm|