I've never used the penny wear test before, I just observed it with my eyes. Thanks @ Elvis Telecom and everyone. I found out this article about the penny used to check the tread depth, https://tireer.com/penny-tire-test/ it is really helpful for me right now.
― Andrew007, Tuesday, 28 December 2021 06:52 (one year ago) link
Always check your tyres before you drive. There should be about four.
― two sleeps till brooklyn (ledge), Tuesday, 28 December 2021 09:09 (one year ago) link