I remember Flexible Flyer as the brand of snow sleds, back when they were wood decks and steel runners. And yes, I had a Radio Flyer wagon, too. All steel, with cheap rubber tires.
I’ve never tried it, but it sounds painful. I had to give up sleeping on my side because of back pain and torn rotator cuff. I’ve had my X-rays and MRI, next I have a consultation to decide my fate.
I was trying to do screenshots on my phone, until I discovered that I could display the phone screen on my 32" monitor on my computer, where screenshots are easy.
Most products, good or bad are made in China and 3rd world countries. Manufacturing goes where labor is cheapest.