The field of robotics is witnessing significant developments in locomotion and manipulation capabilities, with a focus on creating robots that can adapt to diverse environments and perform complex tasks. Researchers are exploring innovative designs and control strategies for robotic systems, including supernumerary robotic limbs, screw-based propulsion systems, and dynamically extensible and retractable robotic leg linkages. These advancements have the potential to enhance the capabilities of robots in search and rescue, environmental monitoring, and rehabilitation applications. Noteworthy papers in this area include: An Investigation into Dynamically Extensible and Retractable Robotic Leg Linkages, which introduces a novel concept for a morphing leg that can switch between height-advantaged and force-advantaged configurations. Terradynamics and design of tip-extending robotic anchors, which presents a rigorous understanding of the underlying granular mechanics and design insights for a deployable robotic anchor. ARCSnake V2: An Amphibious Multi-Domain Screw-Propelled Snake-Like Robot, which combines the high mobility of hyper-redundant snake robots with the terrain versatility of Archimedean screw propulsion. Innovative Design of Multi-functional Supernumerary Robotic Limbs with Ellipsoid Workspace Optimization, which proposes a multi-objective optimization design theory for supernumerary robotic limbs. Variable Impedance Control for Floating-Base Supernumerary Robotic Leg in Walking Assistance, which develops a hybrid position/force impedance controller to enhance human-robot interaction.