《太平广记·卷二百二十五·伎巧一》
赵夫人能在手指中间，用菜丝织成云龙、虬凤图案的锦，大的一尺多，小的见方只有一寸，宫中称为机绝。
能于指间，以彩丝织为云龙虬凤之锦。大则盈尺，小则方寸，宫中谓之机绝。
Lady Zhao could weave silk with patterns of cloud dragons and horned phoenixes between her fingers, the large ones being more than a foot long, and the small ones being only an inch square. The palace called this “stunning skill”.