Blazers, tall leather boots, quilted vests, and silk scarves.
If a cultural artifact were to exist under this name, it would most likely be a or a custom 3D-printed miniatures line for a tabletop RPG. The expected genre would be pastoral body horror —combining the wholesome mundanity of horse care with the aggressive fragmentation of hardcore punk, filtered through a specific female-surnamed product line. horsecore linda mini
I'm not familiar with the term "horsecore" or "linda mini" in the context of music or art. It's possible that you may be thinking of a specific genre, style, or artist that I'm not aware of. Blazers, tall leather boots, quilted vests, and silk scarves