After reading James Nestor's "Breath", I looked into the whole mouth-taping "frenzy". At first I tried the 3M surgical tape, which worked well, but I found left an odd residue on the skin. I did a trial of Hostage Tape, and I'm a super-fan for life. It adheres well, but doesn't leave a residue, and it's cooler on the skin (the surgical tape had a way of allowing moisture to accumulate under it.) My only suggestion for Hostage Tape? Create a "tab" on the lower left corner that doesn't adhere, so ...