joe wrote:

I saw that too. It was the one where the flame come out of sand or gravel
right? You might try the hgtv web site or try a google search.

Wow. I found a place where satanists were holding sabats and
considered laying a pentagram under the gravel for them, using propane.

Might have worked after all, huh?

(They were not "nice people". I think I could live with considerable
distress on their part.)