Just like its full-size counterpart, the Quickshot Stamina Training Unit was designed to replicate the intense sensations of intercourse, which can help users increase sexual stamina, improve performance and techniques, and heighten and intensify orgasms.Simply remove the dual endcaps, lube up, and enter from either end for maximum enjoyment and minimal cleaning. With its open ends, the Quickshot Stamina Training Unit is the perfect tool for supplementing blow jobs or solo endurance-building sessions.