七佛八菩薩所說大陀羅尼神呪經 4.94

4.94

須五色疊縷青黃赤白紫，結作三七二十一結，繫脚、次繫腰，復繫手、復繫項。

Take five-coloured fine cotton thread—blue, yellow, red, white, and purple—tie it into three times seven, twenty-one knots, tie it to the feet, next tie it to the waist, then tie it to the hands, and then tie it to the neck.