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Originally Posted by wun

What are the two pistons at the front for?

if you look there is actually three... another one in the back... then look at what the arm is attached to.. you see two shiny aluminium pieces coming down towards each other at an angle.

So you raise that up near the bar, jack yourself up with the pistons, the aluminum rods will lock, retact piston and you hang

hope you can understand what i tried to describe