The Countdown Rapala is designed to consistently fish any depth with a controlled slow-sinking method. Count the lure down to desired depth. (approximately one second- one foot). Consistently reach suspended fish at any depth with the CountDown® method. The controlled depth technique was introduced to the world with this lure, and to this day is the standard by which all others are measured. Whether the fish are suspending at certain depths near the weed tops or on bottom structure, the CountDown can get you to them consistently. The CD03 size is specifically designed for smaller fish, such as Trout.