When the beach is full... feel free to use the car park

Kerry.  I inquire about windsurfing lessons. The young woman behind the counter happily informs me that it will cost €40 for a two-hour lesson.
"You spend the first 15 minutes on the stimulator" she says.
Just supposing it's not a mispronunciation. What if they really have the machine? Imagine something from one of the early Woody Allen movies, all chrome and stainless steel springs and red button-studded leather. I take a look in my wallet. It has to be worth €40 to find out.