ELECOM Relacon Handheld Trackball Pointer, Ergonomic Thumb Mouse for Right or Left Hand, Bluetooth, 10 Buttons for TV, Presentation, Game, PC & MAC

XR Hardware
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https://a.co/d/3vH4wVs

This looks interesting… Maybe with hand tracking might work well.

https://www.amazon.com/dp/B0BJZQX6CM/ref=sspa_mw_detail_4?ie=UTF8&psc=1&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWwp13NParams&th=1