“Should be noted that it’s seemingly impossible to attach this to a pi without a jig. I ordered it assuming it was push fit - it isn’t. You need something to hold the pi and pins lined up perfectly or you’ll do what I did and bent them, breaking it.”
“I'm lethal with a soldering iron and so the thought of taking one to a Pi Zero fills me with dread and I know it won't end well. The Hammer header makes it much easier to add things on without destroying your Pi”