Guest present Detergent or tissue. Detergent used to clean dirty cloth.
When detergent put in water, much bubbles and big bubbles arise.
Detergent is presented for means that householder's good salary.
'Tissue unwinding' has two meanings. that is 'solve' and 'unwind',
and Tissue is presented for householder's good life.
also cake or flowerpot is popular present, too