As well as making the explosion more reliable, this allowed military engineers to turn the fougasse into a booby trap.

绊索由股细线制成，一头系在燧发装置扳机上。

Fantasy yarns mixed to flat ones, never very thick, with different aspect: boucle, jaspe, vrille, hairy, felted, tweed, but never exaggerated.

较特殊纱线，本主题中并无粗纱，纱线外观有不同：小、股、螺旋状钮结、多毛、缩绒等，但都不会有太夸张表现。