I'm not sure how Immovable Rods work exactly, but presumably with three of them you could place two, stand on them, place the third at some reasonable height, move the first two to a new location and repeat as needed, then once at the appropriate height, "lock" the top rung and use the ladder proper to climb back down, setting the other immovable rungs as needed.
Like a climber tree stand for murder hobos.
Does Sanders have enough life left in him to develop a far-left party? How will it differ from the existing left-leaning third-parties? How would the party stand out and "matter?" Relevant XKCD
I ask these things as a perennially disappointed minarchist classical liberal.