Their balanced cylindrical section accurately gives them ease of action at the slightest touch. The zigzag (walking the dog), jump, dive, drag is easy! The internal balancing is achieved by a mobile ballast placed in the caudal cavity Naja 45F-65F, which facilitates the distant throws and positioned stationary to over 45 °. The low-frequency sound of this movable ballast seeking the interest of fish posted in depth and in the vicinity. These two smaller sizes are made to look for predators such as perch, black bass, chub, but also to trap predators educated or that target their food on weak prey!