Everyone knows that this thing is great, so I only list the disadvantages here. (secondary) disadvantage: your spalling fit slit is larger than a standard jacket, so it is possible to install too high spalling gap on your arrow. It's not easy to pull it from the outside, put it in place, so it's best to poke the peeling inside with the tip of your glue nozzle, which may have a mesh. The spring tension is really high, so a lot of times, when you release the tension, when your spatter gets wet with glue, they will be slapped on the arrow, which will only make the whole thing feel cheap. Main disadvantage: there is a very close fit where you slide the arrow, so if you are using vinyl film, this is bad because you have just wrapped it. One of my arms lost color, and that's where I think the top spatter always goes. I set three or four arrows like this, and then I realized that this was completely wrong, and that the stroke of the arrow actually slid parallel to the other arm. Now I write "top" on one arm, with something sharp on one arm, while the other arm changes color for no reason. : / looks lame. So why are there so many shortcomings and four stars? This is just a piece of plastic that is too expensive, but unfortunately, it is still the most cost-effective. It is fast, convenient and effective. You can't beat it for money.