A user can watch

(1) a projection of the canonical form done by a grandmaster or master  (image below) OR

BroadcastCanonicalOnly

(2) what the camera tracking the user sees – effectively as if the user was watching himself or herself in a mirror OR

BroadcastCameraOnly

(3) both 1 and 2 so the user can closely follow the grandmaster

PlayVideosOnGlasses

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