And in the LIRR waiting room at the beginning and end of the day:
Top images: iPad; Sketch Club, Finngr Pro, Glaze, ArtRage apps; New Trent Arcadia stylus.
Final image: Figures drawn from life while in the LIRR station waiting room. Moleskine journal with Gelli Printing Plate monotype background; Sharpie fine point, chisel and white oil paint markers.