The readings last Sunday included the story of the call of Isaiah, when the angel takes a burning coal from the altar and touches Isaiah's lips with it. So we did something similar! At the end of a confession prayer, we invited people to come up to the communion table and take a piece of cinder toffee, from an impovised brazier made of a wok lid, and touch it to their lips (and eat it afterwards). It worked really well.
Actually one of my favourite parts of the whole exercise was that we worked out a way to make the coals glow too! I was just wondering whether there was a way to do this, perhaps by projecting something onto the coals, when I remembered that I had
some of those light-up ice cubes that you can freeze and put into people's drinks. They come in different colours, one of which is red. So we put three red cubes in with the coals, and it looked really quite impressive. Just shows you that it doesn't always have to be super complicated!