SmallO@NearTipThumb-PalmDown-SmallO@CenterChesthigh-PalmUp CirclesSurface Contact

Alternative forms

 * The hands may be not directly one above the other, but at a comfortable diagonal. Regardless, the imaginary line between the thumb tips is perpendicular to both palms.

Production

 * Imagine a line running through both thumb tips. The imaginary line should be perpendicular to both palms.
 * Hold both hands still briefly
 * Move the dominant hand so the tip of the thumb and finger encircles the imaginary line one or more times.
 * Drop the dominant hand down along the imaginary line so the tip of the dominant thumb and finger contacts the tip of the nondominant thumb and finger.
 * Hold both hands still briefly
 * Hold both hands still briefly

Adjective

 * 1) exact; precise; perfect

Adverb

 * 1) exactly; precisely; perfectly