inch way across

inch (one's) way across (something)

To move across something in very small increments or very gradually. We all watched in awe as the man carefully inched his way across the tightrope.
See also: across, inch, way

inch one's way across something

 and inch oneself across something
to creep slowly across something. The little green worm inched its way across the branch. It inched itself across the leaf.
See also: across, inch, way