Abstract-In this paper, we first introduce a multijoint manipulator that was named "Moray arm," which is a slider-integrating multijoint manipulator, where a powerful slider is installed at the base of the arm. The Moray arm emulates the motion of a Moray, thus, allowing it to easily enter a narrow space while avoiding obstacles. To elucidate the features of the Moray arm, we present new control methods named "Moray drive" and "two-degrees-offreedom (
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