ChromaCast direct line cable system allow quick response and non-slip playability. Comes with mini wrench enabling quick cable adjustments * Spring adjustment system lets you set tension to your own playing style. * ChromaCast proprietary beater delivers big bass tones with real pedal feel and playability. Adjustable beater and bracket system allows you to adjust the height and location of the beater, giving you control of your surface playability. * ChromaCast Proprietary pedal roller system gives immediate slap back performance, allowing double stoke hits. * Easy access tension locks to secure pedal and Cajon to platform bracket. Platform double T-Bar bracket eliminates Cajon movement while playing. Steel base plates lined with Velcro for non-slip performance. Platform bracket fits Cajon"s up to 12-1/4 in deep