The fly is categorized as a swimming nymph. It is a very effective attractor for trout, bass, due to the action of the marabou tail and palmered body. It can be jigged or stripped and works best in Stillwater situations

The Damsel Wiggle Nymph can be fished in a variety of ways. The fly can be tied unweighted and fished with a small split shot about 6-8" up the tippet or it can be tied weighted. It can be fished much like a streamer or wooly bugger. In slow or still water it is usually best to give the fly a little time to sink before beginning the retrieve or you can use a sinking tip line depending upon the depth that you would like to achieve. It can be worked upstream, downstream or cross-current.
The fly can also be fished as a nymph - usually weighted using short line nymphing technique without a strike indicator. This can be especially effective in faster water.
The fly has proven effective on a wide variety of freshwater fish: 

Comes in colors Olive,Brown,Black  Hook #10