Used the customizable bracelet app to create a bracelet big enough to fit my head. Then Attached it to the Yokai Mask to print in place. Had to trim some off the top of the mask so that it would lay flat.
Had some trouble cutting the eye holes out afterwards but the over utility was nice. Used a lighter around the eye hole to meld away any of the sharp edges to protect my eyes.
Be sure to re-scale to your head size before printing.
Used the vase setting in slicer with no infill and no top or bottom layers. This give the stretchy band effect which also made the mask nice and light... bonus :)
after slicing there will be a band that cuts through the middle. After printing just cut it off.