PURPOSE: To make small knot of knotting by forming specific knotting preventing thrust of weft into loop.

CONSTITUTION: Weft is turned from weft-penetrating part 2a and introduced to weft-leaving part 2c through weft loop 2b. warp is pulled from warp- penetrating part 1a to form a loop 1b through front side of the warp-penetrating part and further second loop 1c is formed, then the warp passes through the two loops 1b and 2b from rear side to front side, thus enfolds the weft-leaving part 2c and passes through the loops 1b and 2b from front side to rear side, then reaches to the warp-leaving part 1c.