GumBits, from Gambit Atlanta, Inc., is excited to sponsor Eventer Lauren Kieffer (Photo credit: Jenni Autry/Eventing Nation) Wellington, FL (January 29, 2015) — The maker of GumBits (Gambit Atlanta, Inc.) is thrilled to announce the newest addition to its talented team of sponsored riders — 2014 USEA Lady Rider of the Year, Eventer Lauren Kieffer. As the first-ever $50,000 Wellington Eventing Showcase approaches, GumBits plans to help Kieffer and her mount Czechmate achieve an exceptional ride