Sew using an overhand stitch.
Executed with the hand brought forward and down from above the shoulders.
Sewn with close, vertical stitches that draw the edges of a seam together.
With the working part on top of the standing part.
Laid such that the surface of the wall to be jointed is on the opposite side of the wall from the mason, requiring the mason to lean over the wall to complete the work.
Done from below upward.
In an overhand manner
The upper hand; advantage; superiority; mastery.