It looked as if the wearer of the sandal had stepped on the grass-bunch with the fore part of his foot, slipped back lightly, and thus pressed the hind part of the hoop deeper into the soil.

In that case some trace of the heel-print might still be found.

And indeed a very slight concavity appeared behind the impression of the sandal.

The heel was turned from the north, consequently the man was going to, not coming from the Rito.

The tracks were surely old ones.
Everything was plain now.