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b. Button holes: Buttonholes should be worked on the overlap before the buttons are fixed. They may be placed vertically or horizontally on the garment. Whether the buttonhole is vertical or horizontal, buttons are placed exactly on the centre front line. The allowance of the material beyond the center front line should be at least or half the diameter of button used. The length of the buttonhole should be the diameter of the button plus 1/8 (or the thickness of the button).
This process should be repeated all over the fabric. 2. The second method is laying a layer of wet muslin or long cloth over the fabric and rolling the two together and allowing it to remain in this position over night. After this the muslin or long cloth should be removed and the woollen fabric is spread on the table with wrong side upwards. The fabric should now be pressed and allowed to dry naturally.