Oh, cupholder a very good idea especially here in Phoenix where it gets hot.

So a cupholder like this? https://www.amazon.com/Wheelchair-Electric-Motorized-Transport-Accessories/dp/B077C53MF8/ref=sr_1_6?dchild=1&gclid=CjwKCAiArIH_BRB2EiwALfbH1KMaqXU_uDddmC27sD6g2L_dzTgNxRhQkhytZGvvNhoG2UGTSTnyvBoCCmcQAvD_BwE&hvadid=153724438249&hvdev=c&hvlocphy=9030040&hvnetw=g&hvqmt=e&hvrand=3448285235192287971&hvtargid=kwd-435672185&hydadcr=21878_9350733&keywords=wheelchair+cup+holder&qid=1608605725&sr=8-6&tag=googhydr-20

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And what is a go seat cushion? I'm finding lots of things that could be.