http://youtu.be/Kr6zlCSVRNs
1. Octagonal tillage shaft2. Multi functions : tilling/loosening , ridging/furrowing , weeding , digging , cultivation , mixing cement3. For using in any type of crops : Tea, Bamboo, Banana, Corn, Potato, Coconut, Tomato, Tapioca, Vegetable …etc plantation / Orchard / Dry Paddy Field / Flora Garden4. Using area : all