Parallel to the hemline/beltline/waistline on the edge of the pleats. One row about 3" above the hem, another row about 9" above the hem (6" between rows of holes)

The holes are equidistant apart all around the kilt on my basil and tan survival. Some on my caramel workman's, none apparent on my black workman's, none apparent on my tan or camo originals or blue denim, none on the three mockers, and not on the brown leather.

Would like to know where they came from and how big they're gonna get over time...