A new generation hybrid blade that is directly connected "Colorado and Willow" creates a strong flashing.  Also, single connection creates less air resistance than double willow blade that results in longer casting distance.  

A specially designed arms for Killers Type-1 Spinner Baits have a tow point located on a higher position than other spinner baits.  This keeps the same posture in both falling and swimming.  This is why Killers spinner baits quickly responds and starts swimming fast.