The foundation that's rumored to be good, but why does it bother me when I use it?

The foundation that everyone else says is good
If it doesn't suit me at all
I wonder if I really wrote it 'well' I need to take a look.
Accurately understand the characteristics of the tools used
It must be used according to its characteristics
You can express a more polished bass.

Today, among the bass tools
'sponge' We are going to look into this.
Characteristics of different sponge types and good ones to use together
Base products I will take a look at them.

The base products and tools I am using,
Check now to see if you are actually using it correctly.