Watch in high definition. Captions not provided. See below for rough gloss.
Day 4: Ruler
Image description: Eric Epstein, a white young man with short hair, wearing a green T-shirt. He is standing between bookshelves and in front of a white wall. He is signing “HOLD-RULER” and spelling “K.”
Gloss: LONG-AGO SIGN RULER HIT NOW CHANGE TAP LEVEL LEVEL 0 1 BETWEEN SPEECH B P M LEVEL LEVEL 2 3 BETWEEN SPEECH K P F T D N LEVEL LEVEL LEVEL 12 SPEECH PUT SIGN.