Left thumb down; right "ring finger" (:)) and thumb down. Duotrigesimal, or Base Thirty Two "19"; or Decimal "41". By the way, one "practical application" of Binary Finger Counting? Keeping track of the verses in Psalm 119!
Psalm 119:19 dtg goes like this: "Let thy mercies come also unto me, O LORD (or Jehovah); even thy salvation according to thy word." If ye would like, feel free to look that verse up in the Bible, and see what, again, that verse is in "decimal".