WooCommerce Featured Image Loop

wc-image-loop.php

<?php //<~ don't add me in

add_shortcode ('woo_featured_image', 'woo_featured_image_loop' );
/**
 * Create WooCommerce Featured Image Loop Slider
 */
function woo_featured_image_loop() {
ob_start();

    // Setup your custom query
    $args = array( 'post_type' => 'product'); // Swap to Product
    $loop = new WP_Query( $args );
    echo '<div class="featured-product-slider">'; // Give you slider container a CSS class
        while ( $loop->have_posts() ) : $loop->the_post(); ?>

            <div> <a href="<?php echo get_permalink( $loop->post->ID ) ?>">
            <?php the_post_thumbnail('large'); ?></a>
            </a></div>

        <?php 
        endwhile; 
    echo '</div>';
    wp_reset_query(); 
        

return ob_get_clean();
}