The seat pivots on ball bearings connected at the base. To lock the seat in the upright position, simply press down on the lever to engage a locking pin.
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Core Chair and Desk

The idea behind this project was to create a desk and chair for active 25-35 year old individuals who work from home. The chair is designed to allow core-related exercises when unlocked and also function as a normal desk chair when locked.

Kris Chamberlin
Industrial Designer Tustin, CA