How to tie cased caddisfly in less than one minute

Caddisfly larvae are well known as a underwater architects and they build shelter cases around their bodies. They use silk to hold together building materials like sand, small peaces of rock or aquatic plants. Fishing with imitations of cased caddisflies near the bottom of the river is the most productive in the begging of the season (and later of course), so we recommend this pattern for big trout in this period. Can be tied on regular hooks (sizes 4 - 12), or on jig heads. This pattern is the most simple case caddisfly jig to be tied in less than one minute. All you need is fly tying thread, jig hook, a piece of yellow sponge, and some dubbing material. Simple follow the pictures.