Coir entrance mats use fibres taken from coconut husks. These fibres are cleaned, dried, and pressed into matting. The fibres create a stiff brushing action. The fibre texture scrapes mud and debris from shoes. Many homes and premises install them at access points. They suit both indoor and sheltered outdoor https://garretthhbtl.suomiblog.com/understanding-coir-door-mats-55239603