Thunderbird Zippo inserts-

[Old Smokey]

This reminds me that I still need to order one of these. I have a zippo that I rarely use so I have to fill it every time. Much rather have a butane insert.

I think it will be much more useful. Looks like the tanks are a decent size, so it should last a while. Which will depend on how AC/DC I am with toasting ze' foot.