The use of the term "frills" refers to a style of fabric decoration in offered to customers for no additional charge may be designated as a a "frill"-for example, free drinks on airline journeys or a radio installed in a hire car.
The use of the term "frills" refers to a style of fabric decoration in clothing or soft furnishings and is a metaphor for excessive and costly decoration. In business terms, extra services offered to customers for no additional charge may be designated as a a "frill"-for example, free drinks on airline journeys or a radio installed in a hire car.