Cornerman Vision

Prop a phone where it can see you at an angle, and it watches a round: how many punches you threw, how your work rate moved across the round, and whether your guard stayed up as you got tired.

Everything runs on-device in the browser. No video is recorded, stored, or sent anywhere — frames go to a pose model and are discarded as they go.

There is no product yet. What exists is a measurement spike: one page that plots the raw signals, so the question the whole idea rests on — whether a phone camera running at thirty frames a second can see a jab that lasts four of them — gets answered with traces rather than optimism.