square-arrow-left from coolicons in Line with regular corners. back, previous, west, return, backward, box. Other styles and corners: @coolicons/<style>/<radius>/square-arrow-left with line, duocolor, duotone, fill or bulk and sharp or round. Leave out regular, like @coolicons/fill/square-arrow-left, and use @coolicons/square-arrow-left for line with regular corners.
pnpm dlx shadcn@latest add "https://coolicons.cool/r/square-arrow-left.json"