Height
See Figure 1.

10	Nails exit the wall 1/3 the height of the wall at the heel nail, proceeding level or ascending toward the toe.
8, 6, 4	Varying degrees of error in exit height of nails.
2	Extreme error in height of nails.

Please click on any of the images to enlarge it.

Figure 1.

Alignment
See Figure 2.

10	The nails should exit the hoof wall in a straight line from heel to toe nail. The nails should exit at equal heights.
8, 6, 4	Varying degrees of error in alignment of the nails.
2	Extreme misalignment of the nails that may result in injury or an insecure nailing job.

Clinches
See Figure 3.

10	All clinches are square and set into the wall in line with the nail shaft.
8, 6, 4	Varying degrees of error in clinching overblocked, racked, ragged, rasped too thin.
2	Clinches may not hold shoe securely in place for a serviceable period.

Uniformity
See Figure 4.

10	Clinches are identical, strong, square, and set into the wall.
8, 6, 4	Varying degrees of error in clinches-weak, pointed, thin, short / long, not set into wall.
2	Clinches are dangerous or do not secure shoe to the hoof.