A device sized and shaped for insertion into a body comprising: at least one mechanical limb comprising: a support segment； a first flexible section extending from the support segment and terminating in a coupling section； and a second flexible section extending from the coupling section and terminating in a tool or an connector for a tool； wherein one or more of the flexible sections is bendable by at least 120°； wherein a long axis length of the first flexible section is at least double a maximum extent of the first flexible section perpendicular to a flexible section long axis； wherein a long axis length of the second flexible section is at least double a maximum extent of the second flexible section perpendicular to a flexible section long axis.
