Massage attachments in three different firmness levels for your Blackroll Releazer. The Deep Releazer is the intelligent extension of an already very successful tool, the Blackroll Releazer. In addition to pressure massage through the various edges, the rubberized knobs of the Deep Releazer allow for deep-acting treatment of hardened or tense areas. With its three different firmness levels, the Deep Releazer is suitable for use in the lower back, hips, thighs, and especially the neck.