Primos Rack-N-Roll Rattling Deer Call - The Primos Rack-N-Roll Rattling Call produces the sound of two mature bucks battling it out. Primos sound engineers analyzed the tone and frequencies created by two mature bucks fighting and replicated the data by producing multiple nodes within the Rack-N-Roll call. Easy to use and compact in design the Rack-N-Roll is the only call that allows hunters to operate a rattling system with one hand. Produces the sound of two mature bucks fighting Designed for easy one hand use Small compact design makes it easy to pack