Objective To codesign a theoretically underpinned. healthcare practitioner-mediated. tailored intervention to support housebound older patients and their lay carers to adopt pressure ulcer prevention behaviours. Design Theoretical domains framework informed codesign. https://www.alarecre.com/Wizarding-World-Harry-Potter-Scar-and-Glasses-iPhone-13-Pro-MagSafe-Case-p90262/