Purple strand crossed over white and held between thumb and index finger of left hand. Right hand releases purple strand. Then left hand supinated, with thumb and index finger still grasping purple strand, to bring purple strand through the white loop. Regrasp purple strand with right hand. Purple strand released by left hand and grasped by right.
Horizontal tension is applied with left hand toward and right hand away from operator.
This completes first half hitch. Left index finger released from white strand and left hand again supinated to loop white strand over left thumb. Purple strand held in right hand is angled slightly to the left. Purple strand brought toward the operator with the right hand and placed between left thumb and index finger. Purple strand crosses over whit strand.