It plants itself into the ground and extends a wriggling tentacle. These tarantulas moult by splitting of the old exoskeleton and wriggling out of it. I have seen them sew together a red belt and thereby produce a wriggling snake. It meant something akin to "wriggling worm" and was used in a derogatory sense. Abdominal wriggling is considered to be of startle value and discouraging to predators. The wriggling motion is produced by smooth muscles, but of a highly specialized type. Jude Rodgers of "The Guardian" described it as a "see sex wriggling everywhere". The curves are also claimed to suggest the body of a wriggling Chinese dragon. By repeating this process varied by wriggling along the ground, he reached the brigade headquarters. A finishing technique known as "wriggling" textures the leaves, creating a textured or frosty effect. Stacked Rubbish (Pulse Wriggling to Black) that went from July 2007 until April 2008.