Haw. Rev. Stat. § 5-23: [ §5-23] State gesture.

[ §5-23] State gesture. The shaka is adopted, established, and designated as the official gesture of the State.

For the purposes of this section, the shaka generally consists of extending the thumb and smallest finger while holding the three middle fingers curled, and gesturing in salutation while presenting the front or back of the hand; the wrist may be rotated back and forth for emphasis.