I think itβs to stretch the spine?
Ahhhh canβt trust Wikipedia! Appreciate it!!
Btw what was she doing in this pic ?? I was looking through her photoshops n this one showed up n im curious if it was one of those weird extreme exercises from back then lmaoo https://i.nostr.build/Wn4Y.webp
Discussion
I have those inversion boots. They do indeed pull your spine and joints apart. Amazing π