Sybian wired remote control. Flexible moulded attachments are supplied which fit over the vibrating ridge and shaft which mostly have integrated dildos on their top. In use, the rider locates the dildo into their body cavity for internal stimulation while pressing their external erogenous parts on the vibrating ridge. According to its inventor Dave Lampert, the Sybian was first conceived in the 1970s, and developed in 1983. A prototype was built in 1985 from sheet metal mounted on a wooden frame with a vibrator projecting through an opening inside the housing; a second prototype became the basis for current production models.
Type A and Type B personality theory that Type A individuals are in general associated with higher performance and productivity (Barling & Charbonneau, 1992; Bermudez, Perez-Garcia, & Sanchez-Elvira, 1990; Glass, 1977). Moreover, Type A students tend to earn higher grades than Type B students (Waldron et al., 1980), and Type A faculty members were shown to be more productive than their Type B behavior counterparts (Taylor, Locke, Lee, & Gist, 1984). In his 1996 book dealing with extreme Type A behavior, "Type A Behavior: Its Diagnosis and Treatment", Friedman suggests that dangerous Type A behavior is expressed through three major symptoms: (1) free-floating hostility, which can be