Suspenders will fix that problem easily.

I think that the knife wont be easy to clean. That is an issue if it´s used for food items. It is missing a cork screw.
In Germany it might be illegal to posses. A blade in a belt buckle count as weapon concealed as an item of daily use.
I prefer AA batteries and the flashlight seems to use a smaller size.
For outdoor use I might prefer a brighter color. It really helps finding the tool when you placed it somewhere.