Chinese tradition believes that "knot" means reunion and happiness. "Knot" is also homophonic with "auspicious", so people think that "knot" is a symbol of good luck and can bring good luck.
Chinese knots have different shapes and meanings:
(Fang Shengjie means a safe journey;
(Double butterfly knots mean flying together;
(Ruyi knot means that everything is satisfactory and auspicious;
(Tuanjin Knot means flowers and bright prospects;
(The auspicious cloud knot means that the auspicious clouds are continuous;
(Double happiness knot means double happiness;
(The sweet scented osmanthus knot symbolizes nobility, elegance, wealth and limitlessness;
(Reunion means reunion and happiness;
(The double integrity knot implies the double integrity of children;
(Double money knot means that the financial resources are widely developed and prosperous;
(The double fish knot means more than auspicious;
(The coiled long knot means that they are dependent on each other, never stop, and live a hundred years;
(The peace knot means good luck and peace;
(Concentric knot means deep love and eternal unity;
(Double connection means that both are paired;
(The carp knot symbolizes good luck;
(The complex wing and rock knot means that the rock is like a mountain;
(The bow tie means that happiness is in front of us, and good fortune comes one after another;
(The caisson knot means square, flat and orderly;
(A peaceful knot means a happy life and peace all the year round.