<Li> To contain the melted wax--making the candle more efficient, avoiding mess, and producing a more even burn </Li> <Li> As a decoration--either due to the ornate nature of the device, or (in the case of a glass follower) through light dispersion or colouration </Li> <Li> And sometimes to shield the flame from wind . </Li> <P> Candle followers are often found in churches on altar candles . </P>

What is a white candle made out of