HealthPostures Stance Move Sit-Stand Chair - 5000 – Jestik, Inc.
Stance Move by Health Postures : ErgoCanada - Detailed Specification Page
Kneeling Chair | Sit, stand or kneel at your desk
In 2020, I *swear* I found a chair *similar* to Locus (or 1 of these others pictured) but not actually that. It was a sit-stand, probably backless, I swear one could hook