
Bag of 32 pieces.
The wedge-shaped beaks are inserted from the back of the tongue
by forcing very moderately. Several shapes and strengths:
Narrow shape 2.2 x 12 x1.2
Normal shape 2.35 x 12 x 1.35
Wide shape 2.5 x 12 x 1.5
Strength HARD (red)
Strength STRONG (black)
Strength LIGHT (blue)
Strength MINIMAL (green)