bottle incense burners?

[skwairpeg.livejournal.com]

I know it can be done. My question for you all is: how? How do you burn a stick of incense upside-down inside a bottle without it going out from lack of O2? I have a multitude of wine bottles and no use for them.

My cat just fell off of his perch! Ha!

::rushes off to make sure Puff Catty isn't injured...::