"Ten fingers tightly interlocked" refers to the movement of two people's fingers crossed, like hugging and kissing, is a couple or loved ones from the heart of the feelings between the flow, is the love of the silent embodiment.
Ten fingers between men and women on behalf of the couple they are in love, or love couple, that they love each other, heart to heart, to hold hands through the long road of life, each other never leave, never leave each other.