on and on sustaining improvements carpet.

A BRA (6) to a mat comprising at least one connecting means (14, 16) and at least one connector (20, 26, 30) member having a connecting means SUPPLEMENTARY (22, 28, 32), SO THE MEMBER CONNECTOR TO CONNECT IN A REMOVABLE FORM, AT LEAST TWO MATS bRAS ADJACENT TO ENSURE EACH TO bRAS MATS. Preferably, at least one of the fasteners MEMBER IS MADE OF FLEXIBLE CONNECTOR MATERIAL OR IS DESIGNED TO BE SLIGHTLY FLEXIBLE.