An introduction to kettlebell: 30 days program for massive muscle gain and weight loss. Suitable for beginner and advance level by Peak Sornpaisarn Targeted Age Group:: 18-45 Have you ever feel so bored in the gym where you don't know what to play anymore? Or you are too nervous to start on using a new equipment and don't know how to use it? One day you walk pass a kettlebell and you scream WHAT THE HECK IS THAT! It looks weird. It looks still. It doesn't even look like an exercise … [Read more...] about An Introduction to Kettlebell by Peak Sornpaisarn