I'm not sure where mine got to, but the Tap Strap worked okay typing against my leg. https://www.tapwithus.com/product/tap-strap-2/ https://www.tapwithus.com/p

I'm not sure where mine got to, but the Tap Strap worked okay typing against my leg. https://www.tapwithus.com/product/tap-strap-2/ https://www.tapwithus.com/product/tap-strap-2/ I don't recall whether I had version 1 or 2, and I have no idea how the XR behaves.