What is this fixture for?

[denwrench]

This bracket is located at the port side of the engine area, what is it for? How is it used?
I’m new so forgive my ignorance!

 

[JLK225]

Tool holder. Filet or bait knives in the two thin slots up top. Pliers in the big slot. Rigs or hooks or other items in the bottom

 

[denwrench]

Thank you!