A lot of fly tiers find parachute patterns troublesome to tie and lacking in durability on the water. Commercial patterns are notoriously fragile which has lead to many people not making the most of these very versatile and easy to fish flies. In this book there are instructions and discussions on what makes a better parachute fly. Details on which way to wind the thread, better post manufacture and even some intermediate steps for those who don't wish to entirely change the way they tie these flies.