Klassy Cowgirl Argentina Cow Leather Headstall and Breast Collar Set 🚚 Posted. *Pre Order Item 14275KC Klassy Cowgirl Argentina Cow Leather Headstall and Breast Collar Set with Motif Inlay. This set features dark brown Argentina cow leather with Klassy Cowgirl motif inlays. Breast collar is scalloped with Klassy Cowgirl motif inlays and round antiqued conchos on each side of the inlay. Headstall features Klassy Cowgirl motif inlays on cheeks and antiqued copper flower studs on one ear. Set is accented with round antiqued conchos