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Title: Great if you know the trick
Review: I've used these clips for 3 years now. I use them on my gutters and I use them to hang two strands of lights per clip. The first year I encountered the same problem that others have with the first few clips. They would not stay on and it was completely frustrating. It wasn't until a few times of doing this that I learned how to put these on. Each clip must be pulled down straight (you are standing directly underneath the clip) until it clicks onto the gutter. Then it will not come off. They are a little problematic taking them off though, when pushing up they tend to pop off the gutter and sometimes they pop right into the gutter. There is a trick to taking them off too which is to provide force mostly out while pushing slightly up.With these clips I can string 150' of lights in 20-30 minutes all from the ground. They work great if you know the trick!
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