kari is the owner and designer of kari me away.'s the author of four books, a frequent contributor to sew beautiful magazine, and a teacher at the martha pullen school of art fashion. kari, welcome to the show. >> thank you for having me, martha. >> martha: this is the cutest petticoat. oh, tell us about it. >> it's a pettiskirt, and-- >> martha: oh, pettiskirt, okay. >> well, you know, what used to be underwear is now outerwear, so we have these adorable skirts that all the little girls are wearing, and they love them. it's actually two layers. it's made of nylon chiffon. it's super, super full, which you can see. >> martha: oh, is it ever. >> it's made with two colors. they're just too much fun to make, and you will be-- whoever is the receiver of this, you'll be their favorite person. >> martha: how many yards of nylon? >> precut ruffles, over 300 yards. >> martha: okay, well, it is adorable. show us how you do that. >> well, you know, it's so full, we need our ruffler foot, so i'm gonna talk about the ruffler foot first, and so