Not, as you would immediately conclude, the technique of communication favoured by our bottle nosed friends. More the technique of communication favoured by the car park attendant at the bank I use.
I just cant work it out. The guy has a whistle. Him blowing it seems to mean several things.
Stop
Go
Left
Right
Slower
Faster
Yes
No
Nearly
Pancakes.
Well, maybe the last one I just made up, but I cant for the life of me work out any kind of system that he might be using. I've stood there and watched this guy, and sure, cars get parked but I cant help wondering if these cars would get parked with or without being whistled at from start to finish.
Luckily for me he doesn't whistle at bikes. Or maybe it's just foreigners he doesn't whistle at as he knows we 'just wont get it'. Either way, seeing as I'm a foreigner on a bike, I don't have to worry about it too much.
Worry, no.
Puzzle, yes.