One of the cleanest CF gyms I have visited. If you live in Gwinnett go check th... December 08, 2013 One of the cleanest CF gyms I have visited. If you live in Gwinnett go check them out now.Knockout CrossFit Dynamic Duo Dec 2013One of the cleanest CF gyms I have visited. If you live in Gwinnett go check them out now. Share 0 Tweet 0 +1 ← Older Post Newer Post →