FLESHLIGHT - QUICKSHOT STAMINA TRAINING UNIT LADY&BUTTPractice makes perfect, especially in bed. Quickshot Stamina Training Unit is specially designed to turn your ordinary masturbation sessions into intense and pleasurable training sessions. Like its full size equivalent, the Quickshot Stamina Training Unit was designed to replicate the intense sensations of sexual intercourse, which can help users increase their sexual stamina, improve performance and techniques, and increase and intensify the orgasms.