Sentence:  <WSD>Underwraps</WSD> are made using exactly the same techniques as guide wraps, except that no guide is wrapped down. An <WSD>underwrap</WSD> is usually a plain continuous wrap, although decorative wraps to make the center ring of the guide or to dress up the end are also possible, just as they are on any guide wrap. 
Meaning of the word marked with <WSD> tags:  An optional wrap that goes under the guide wrap on a fishing rod.