The income of bilros is performed on a pillow hard, the grinding machine, cylinder of thick cloth, filled with straw or cotton, whose dimensions depend on the size of the piece to be held, covered externally by a bag of tissue thin.
The pad is on a base of wood, adjustable in order to get the height of the work of rendilheira.
Holes in the area of design that is being performed, the rendilheira stick pins, which move as the work progresses.
The wires are managed by means of small pieces of turned wood ( or other materials such as bone), the bilros.
Cushion of income from bilros, Peniche
The bilros are managed by the peer rendilheira printing a rotary motion and reciprocating to each one, geared to the pins.
The number of bilros used varies with the complexity of the design.