Code-Snippets-Functions/Execute a function on a child site/WooCommerce/hide-specific-products-on-shop.txt

add_action( 'pre_get_posts', 'erginous_exclude_id' );

function custom_pre_get_posts_query( $q ) {

  if ( ! $q->is_main_query() ) return;
  if ( ! $q->is_post_type_archive() ) return;
  
  if ( ! is_admin() && is_shop() ) {

    $q->set( 'post__not_in', array(70, 53) ); // Replace 70 and 53 with your products IDs. Separate each ID with a comma.
  
  }

  remove_action( 'pre_get_posts', 'erginous_exclude_id' );

}