Has anyone compared the two in terms of comfort? My Swift mask needs to be readjusted at least four times a night, and it does have small leaks?

A website promoting a mask without any straps sounds interesting (nomask.com). It amounts to a nose pillow, hitched to a mouthpiece. Problem: you try it, you buy it. I'm wondering if anyone has actually used one of these devices and, if so, how you responded to it. The site, of course, includes glow...