Yesterday a shop tried to sell me a bunch of these. It's a lot more expensive than regular grommet but they claimed it last much longer and better for the racket. Is that true? Has anyone used these?
![[IMG]](https://images.tokopedia.net/img/cache/500-square/VqbcmM/2022/12/2/aa6e8136-d840-40e0-81e4-026387ffb5a8.jpg "Is it true that LI-NING Cubic grommet last much longer?")
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Yesterday a shop tried to sell me a bunch of these. It's a lot more expensive than regular grommet but they claimed it last much longer and better for the racket. Is that true? Has anyone used these?