Amazon.com: JSDGFF Portable Foldable Stool, Chairless Chair Wearable Leg Ergonomics Lightweight Seat, 3 Gear Adjustable Suitable for Different Heights, Bear up to 100kg, Suitable Carpenters, Photographers, Chefs : Home & Kitchen
You can take a seat anywhere with this wearable chair - YouTube
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Amazon.com: Invisible Seat Leg Brace Magic Stool, Wearable Portable Seat Ergonomics Lightweight Chair, Metal Folding Fishing Chair for Music Festival Concert Subway Bus, Bear Up to 330Lbs ( Size : XL/180-190cm ) :