You didn't mention lights. A "stand alone" DC work light can be of help.
A chainsaw file or a flat file to sharpen your other tools?
How about waterless hand cleaner?
A ground sheet to lay on for repairs?
Shop rags?
Safety glasses?
Hi-vis safety vest?
Road flares and/or hi-vis "triangles"?
A chainsaw file or a flat file to sharpen your other tools?
How about waterless hand cleaner?
A ground sheet to lay on for repairs?
Shop rags?
Safety glasses?
Hi-vis safety vest?
Road flares and/or hi-vis "triangles"?