Instagram Post - Create an upload a video or image about what you're offering, then post it to Instagram. Don't forget to mention that the link is in your bio in the description.
Instagram Live - Go live on Instagram and tell your followers about what you're offering. Don't forget to mention that the link is in your bio.
Instagram Stories - Create a story on Instagram telling your followers about this item, use the link below as the "Swipe up" to take users directly to this item.