Glues and paints should never be missing on the work table of a fly tiers. The world of fly tying has been literally revolutionized by the newest UV glues that have the characteristic of drying almost instantly if they are subjected to ultraviolet light from special flashlights. The use that can be made of it is very varied, you can use it to: strengthen, fix or to make the famous perdigones that is nothing more than an artificial fly covered with UV glue that has the characteristic of sinking very quickly.