Earloop face mask support

This thing has been improved. See https://www.thingiverse.com/thing:4883290

If you've ever spent a day (or a couple of weeks) wearing earloop facemasks, your ears can become chaffed, even ulcerated.
This is another holder that fits round the back of the neck with a pair of little hooks each side for the mask loops.
It is basic, simple and effective. It's also very light - I kept it thin so it'd be flexible, and have kept the bulk low. Feel free to alter it as you see fit. I print this one with PLA and it works well.
This is an update with better formed hooks, and holes in the neckpiece to reduce weight and allow cooling.
I find it works best if you twist the cord from the mask so the bit from the nose goes down, and the one from the chin goes up. You get a better seal.