This is one of the finest BIRD CALL OR PRAIRIE WHISTLES made.
It is of excellent quality and has a special paper backing which can be used again and again after drying.
 
Directions for use:
Soak in water until thoroughly saturated then place on your tongue with reed facing toward the teeth and finished side of the specially made paper upwards against the roof of the mouth. Hiss gently at first. Then increase the hiss for a louder sound. With variations of the tongue and lips, you can imitate all kinds of birds and beasts.
 
EACH SWISS WARBLER CAN BE USED MORE THAN ONCE!
NOTE: THIS ITEM IS NOT A TOY. IT IS TO BE USED ONLY FOR IT'S INTENDED PURPOSE AND AT THE PURCHASER'S OWN RISK.