I tried to make an axe based off of a reference image from google and the geometry is weird and showing many artefacts after applying subdivision surface.
I eliminated all doubles using merge by distance and also the entire geometry is in quads. I feel that there is some close lines and I tried merging a few shapes but I can't figure out what.
I am new at blender and I realize that the geometry is bad so asking for your help.
Here is the blend file