A dobby loom, or dobbie loom, is a type of floor loom that controls all the warp threads using a device called a dobby. The word dobby is a corruption of “draw boy,” which refers to the weaver’s helpers who used to control the warp thread by pulling on draw threads. A dobby loom is an alternative to a treadle loom. Both are floor looms in which every warp thread on the loom is attached to a single shaft using a device called a heddle. A shaft is sometimes known as a harness. Each shaft controls a set of threads. Raising or lowering several shafts at the same time gives a huge variety of possible sheds (gaps) through which the shuttle containing the weft thread can be thrown.
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