After a picking action of a weaving machine, a cloth-end warp (12b) maintains its shed over a plurality of weaving cycles including a weaving cycle, in which weft ends (18a) are tucked in. An air is jetted toward a shed formed by warps in a widthwise direction of weaving from outside cloth (16) after that weaving, in which the weft ends (18a) are tucked in, and at latest before the cloth-end warp (12b) unsheds. This air jet energizes the weft ends (18a), tucked in, inside the cloth in the widthwise direction of weaving.