If you fit the grommet holes will make high wages in the taste, but in the long run, the grommet is damaged easily because satire with the backing we need flexibility to the Grommet.
If you drill the holes to fit grommet will keep wages high in the test but in the long term damage will be grommet is easy due to the abrasion-resistant backing and so we need to allow for flexibility for remote Grommet