Can anyone identify these headers? I'm very new to the Arduino platform and micro-controller projects in general, which is why I'm still learning about all the parts needed for circuit creation. There is one particular part that I would need for my current project but I'm having troubles figuring out what exactly this "thing" is ...

Please take a look at this picture: https://i2.wp.com/makezine.com/wp-content/uploads/2015/08/rolljam-hardware.jpg?fit=929%2C724

I need to know, please, what exactly these dual row female headers are called that are placed right to the Teensy board and are holding the two CC1101 units (so I can find them on Amazon or in other shops). 
Obviously, they are spanning the gap on the breadboard but is there something you can buy like this? Or are these common dual row headers that have had their pins bent and put into single row headers? 
I can't quite tell. The whole thing looks custom made though (to me it even looks like some hot glue was used, but I might be entirely wrong about that).

^^ And if my assumption is right, what might be the purpose of doing this? From my understanding this would create a full row for the power (instead of having two shorter rows), which the gap on the breadboard is meant to prevent?!

Thank you for suggestions.
From the pic, it looks like a 2x16 female header, PCB mount, with the pins bent outward and soldered to some male header pins.

I think they do this to provide mating sockets for the 2x5 male pins on the CC11001s that can be hooked up to a breadboard. 

You could avoid this by prototyping on something like "stripboard' or 'Veroboard' like https://www.amazon.com/Soldering-Prototype-Printed-Circuit-Stripboard/dp/B019Q14GRQ/ and cutting/soldering a few traces where appropriate.

Or you could use a small chunk of stripboard tor protoboard to do the adapting from the 2x5 at 0.1" centers, to 2x5 on 0.1"x0.4" centers.