Top results I saw from the tests were:
Hey [NAME],
We spotted that you added [highest value product] into your basket but didn’t but it 🙁
We know that sometimes you can get distracted, change your mind or just plain old forget – come back to us and complete your order in the next 48 hours and get a free Rockstar Energy Beanie worth £20!
[Direct link to basket]
Look forward to seeing you soon!
[NAME of boss – scanned handwritten signature]
PS – I spotted that you also looked at [product viewed but not added to cart] – we also have a promo on [similar category/product on promo] with [X]% off here
To someone, from someone, incentivised (with a promo product subsidised by a drink manufacturer), and a behavioural linked offer too. This is how it should be done!