Step 1: light four incense sticks, the first one is for heaven, because heaven is the biggest, and the remaining three are for praying for God.
Step 2: Kneel down and say to yourself: Lord XXX (immortal name), disciple has something to say, please bless disciple.
Step 3: Ask for the sign, and gently shake the sign tube until the sign is issued.
Step 4: Ask for a cup. There are a pair of cups on the altar. Throw the cup three times, if it is a yin and a yang every time. Sign it.
Three times, not one yin and one yang, repeat 2-4 steps.
If you have asked for it three times and haven't signed it, so be it.
Step 5: Take the corresponding sign according to the label.
The rest is cancelled.