I am sharing random “invention” which I did long time ago. Often there are problems when we want to fasten thin candles. Thin candles are good when we need to burn them completely. For example when we need to made a pentagram. They can fall during the ritual and create unpleasant emotions. A ring made of a plastilina can be used. You can buy plastilina everywhere on good prices.
This is the result when it burned completely: