An eagle sees everything! Now with this whistle, you can notify people by whistling that you noticed what they are doing. "Don't throw your garbage on the ground!", "You need a haircut!" ... Your environment will certainly react positiv about your feedback!

Even if you not like to show people their mistakes, this is a nice pendant which can be used as a whistle ... just in case you need it!

 

Brass whistle, manufactured via i.materialise 3d printing service.