$ levelfs /path/to/db /mnt
$ ls /mnt

$ levelfs ~/.npmd /mnt/npmd

$ brew install osxfus

$ clib install tomerdmnt/levelfs

$ git clone github.com/tomerdmnt/levelfs
$ cd levelfs
$ make
$ make install

usage: ./levelfs dbpath mountpoint [options]
general options:
    -o opt,[opt...]        mount options
    -h   --help            print help
    -V   --version         print version
FUSE options:
    -d   -o debug          enable debug output (implies -f)
    -f                     foreground operation
    -s                     disable multi-threaded operation