DIY Elf Ears! Take scotch tape and wrap around top of ear, pinching into a point. Cut a slit the middle section of the tape and tuck into the sides of that into the pinched ear. Take liquid concealer and spread on tape and ear to balance the color tone. Put a powder concealer over that to even the tone. Takes some practice, but there ya have it! Learned it on a YouTube video
Dressing up as Santa's little helper is a fun way to fool the kids. But you have to have the costume exactly right so as not to arouse any suspicions. Don't forget your elf shoes, which you can whip up out of leftover costume fabric in a few minutes.