Girls' Jellypop Little Kid & Big Kid Brinkley Mule The Girls' Jellypop Brinkley mules blend cozy clog comfort with standout style details she’ll love. Featuring a closed-toe design with a slingback strap for added security, these slip-ons are finished with a heart charm and faux pearl chain for a playful, dressed-up touch. The cushioned footbed and easy-on style make them perfect for casual days with a little sparkle.