Use when requesting assistance from a powerful party at negligible cost to them. Based on Su Dai's (苏代) candlelight metaphor — framing the request as sharing excess that costs nothing ('your candlelight has surplus; share it and lose nothing') to maximize willingness to help.
Based on Su Dai's "poor woman's candlelight" metaphor used to help Gan Mao's family.
Request assistance by framing it as something that costs the giver nothing but helps you greatly.
Acknowledge Your Position
Use Appropriate Metaphor
Identify What They Have in Excess
Make the Request
Express Gratitude
People are more willing to help when the cost to them is zero or negligible. Frame requests to emphasize this.