What is Reddit's opinion of Gel Seat Cushion, Double Thick Egg Gel Cushion for Pressure Pain Relief, Breathable Wheelchair Cushion Chair Pads for Car Seat Office Chair (16x14x1.65inch)?

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I bought this one for my mother, who has a pressure sore, and then bought it for myself after my biopsy. I use it on my hard sewing chair and it helps. Check this out! https://www.amazon.com/dp/B07TYHMZFG?_encoding=UTF8&psc=1&ref_=cm_sw_r_ud_dp_SCPY35KVYWWEVZ8HRVWM

Maybe a gel seat cushion to take some pressure off since they'll be doing a lot more sitting: https://smile.amazon.com/dp/B07TYHMZFG/