PURPOSE: To contrive the distance positioning, besides the conventional one-way positioning, in the direction of the positioning in the one time action.

CONSTITUTION: A marking yarn is formed with parts (a), in which ink is not absorbed, with a desirable space. The mark is thereby formed into a broken line with a desirable space and shows the one-way position, and simultaneously, the mark shows the distance position in relation to the direction with a broken line with a desirable space. In the case where the part (a) does not have flexibility, the part (a) is formed into the fine chains so as to secure flexibility.