Jacqueline has written to say that for those who hand knit, here’s a free pattern from Ravelry. She’s written to the designer who is happy for us to share it.
You’ll find it at https://www.ravelry.com/patterns/library/hearts-28
Jacqueline says she’s added another couple of rows to the straight section, before the division into the two sides of the heart, to make it more heart-shaped and less kidney bean.