Headphone wire clip

After modding my headphones by adding a 3.5mm female jack so I can switch between cables more easily. I quickly realised that the slightest snag or resistance on the cable combined with a small head movement would unplug my headphones, I designed this thing so that I could now temporarily lock my headphone cable onto my headphones while making it easily removable.

Instructions:
1) Sand everything in order to get a good yet tight fit between the two parts.

2) After making sure everything