You can make your charm into a Tie tack simply by filling in the box for the charm of your choice that you want to be a tie tack. All the Professional sports jewelry MLB, NFL, NHL or NASCAR make great tie tacks. Many of the General Sports Charms work also ( Nothing that starts with the SKU - PIS. ) The 1/2" and 5/8" size are great for tie tacks. The tie tack cost will be the cost of the charm plus $8.00 for the attachment.