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But the tool and simple
Dont waste your money, use the vice ONLY method, 30 seconds and its done.
Don't use it on skylake chips. The PCB is thinner than older gens, it could quite easily damage the CPU if your not careful. der8auer recommends razor method with skylake if your going to DIY.
Here's the video if you want to watch from der8auer
https://www.youtube.com/watch?v=JkGASegVRiM
Older gens the vice method should be fine but i wouldn't recommend it for skylake.