What are test hooks used for in an electric tool kit?

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Test hooks in an electric tool kit are used for making temporary connections to test circuits, similar to alligator clips but often providing a more secure connection. They typically feature a hook design that allows for easy attachment to components. Users can often solder wires to the underside of the button for additional functionality. While they may not have a universal connection point, they are versatile tools for electrical testing. Understanding their application can enhance the effectiveness of troubleshooting and circuit testing.
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I just bought a eletric tool kit and this thing came with it:

HK_TestHook_01.jpg


I think they are called test hooks but i just can't figure out what are they for.. I can't find nothing that connects to the top hole of that thing.
 
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They do the same thing as an alligator clip only in a different way. Sometimes better. Pull the button off and there is likely a place to solder to underneath. I have always called them e-z hooks.
 
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