Equipment that must be prepared when going rock climbing?

Equipment .... For beginners Used rental equipment At the gym, there will be equipment for rent as follows .. 1. Harness is a safety device used to wear around the hips and waist. Looks like in the picture. 2.Climbing shoes The gym is available for rent of all sizes. Many people ask if you can use ordinary shoes to climb the rock, so I can say that you can, but shouldn't. Because climbing shoes are designed specifically With thick front tires And makes it stick and hold much better than normal shoes If wearing regular sports shoes to climb Have a high chance of slipping And can be vulnerable As I said, if you're uncomfortable having to wear rental shoes You can also prepare socks