Enticing marketing copy seals the deal:

Nothing lifts the spirits like a good yodel, but most of us don’t have the skill to yodel on cue. That’s where the Emergency Yodel Button comes in. Keep this 4″ x 3″ x 5/8″ plastic device with you at all times and when the need arises, press the button to hear the sweet mellifluous warbling of an alpine yodel.

That’s certainly correct. I neither have the ability, nor the desire, to emit a skilled yodel on cue. Costs $US12.50 and your dignity. FYI: Goes well with this. [Archie McPhee via Red Ferret]