PURPOSE: To make a part of a reed traversed by the false selvedge yarns and the binding yarns for the side edges of the fabric under formation to be detached from the rest of the reed, and to be easily removed from the loom sley.

CONSTITUTION: The grids 15, 16, 34 and 35 of the false selvedge formation device and of the binding device are mounted on two rigid frameworks 20 and 21 capable of being easily removed from each supports 24 and 25 through a quick break connection 22 and 23, and these supports 24 and 25 are reciprocatively driven within guides 26 and 27 fixed to the loom in the reverse directions.