Amazon.com: 12FT Long Audio/Microphone Braided Cable Dual Male 3.5mm TRS/TRS Male-TRS Male Cable Cord Wire for Audio Mixers Microphones Cameras Recorders Car Speakers Headphone & More : Electronics
My first self-made headphone cable is a poorly-braided tacky rainbow monstrosity with the left and right labels flipped, but it works. : r/DIYAudioCables