A previous member of TP solved this problem with Manuka Honey and sheepskin heel protectors.
https://www.amazon.co.uk/s/?ie=UTF8...06&hvtargid=aud-488126211094:kwd-298161928705
https://www.webmd.com/a-to-z-guides/manuka-honey-medicinal-uses#1-2
https://www.amazon.co.uk/s/?ie=UTF8...06&hvtargid=aud-488126211094:kwd-298161928705
https://www.webmd.com/a-to-z-guides/manuka-honey-medicinal-uses#1-2