Dom Swentosky, over at Troutbitten, constantly has well-rounded viewpoints and insights into the more technical element of fly fishing. So, it should not come as a surprise to anybody that Dom prefers a various design of indication than what the majority of us utilize. His preferred is the Dorsey Yarn Sign, which is a somewhat various take on yarn indications than what you have actually seen before.
You can check out the entire post about these indications, and even take a look at some videos about them, here.