“Bed Made EZ
From the website:
Bed Made EZ
Save your back (and fingernails) by using Bed Made EZ to help tuck in linens and bedding.
When making a bed, today's thicker, heavier mattresses can make changing the sheets not only difficult but also painful, especially if you're prone to back pain.
Bed Made EZ is an ergonomic device that slides easily between the mattress and box spring, raising the mattress so linens are easier to put on.
Smooth-edged molded plastic wedge has narrow front edge that can be used to tuck in sheets.
$29.99 (bed and linens not included).