fulcrums, knobs, wrenches, steering wheel, rip cord, electromagnets, pulleys, buttons, tiller, ripcord, chocks, toggles, treadle, cogs, pedals, grippers, strings, apparatus, joystick, handbrake, capstan, thumbwheel, detent, mechanisms, rheostat, sleights, manipulators, controls, toggle switch, clutch pedal, actuating, thumbscrews, keys, gambits, locking pliers, spanners, mortice, manoeuvering, idler pulley, gear lever, wheels, restraints, autocrats, screws, spacebar, telescoping, gearstick, pincers, stratagems, inertia, torque wrench, toolbox, needlenose pliers, gripper, leftwards, clawlike, puppeteers, pendulums, handrest, balancers, gearshift, gears, winch, nexuses, oligarchy, pushbutton, brake, satraps, manipulations, drawbar, windlass, cords, epicyclic, suasion, machinations, airbrake, derailleur, yokes, participles, elites, allen wrench, countersunk, harness, nobs, castors, throttle, vise, hydraulic pump, ailerons, purse strings, counterweight, levelers, pushrods, millstones, rightwards, clout, bully pulpit, remotes, equilibriums, marionettes, collet, latches, lever, supports, props, conduits, links, instruments, anchors, incentives, means, obstacles, prop, stakeholders, correctives, interlocks, ladders, weaknesses, channels, deterrents, impediments, instrumentalities

compound lever, lever lock, piano action, steering linkage