Video details:
Ink: Winsor & Newton brand, Dark Blue color.
Pen tip: Speedball brand, C0 broad nib.
Video: 320 x 240px size, h.264 mp4 format.

To preserve a thin join at top and bottom, stop the stroke a little less than a pen nib's width from the X-height and base line. I make the top half of the s slightly smaller than the bottom half for balance.