How to use dishwashing bar traditionally

I found this amazing YouTube channel, and this its very helpful to understand how to save water and utilize the bar soap.

Now we are so beneficial to use tap water that automatically gives you endless water to your kitchen without brining it home to wash dishes. We abuse water so much while using dishwashing liquid. Or it’s only me?

Of course we can use dishwasher that would save more water than using tap water. But let’s get to the basic method where we used to have limited water, and make it habit.