stock shocks

[IRISH-RACER-14]

how do i ajust the stock shocks. what does tightening the 2 nuts above the spring. theres a screw that says h-s. would that be for making the shocks stiffer or softer?

[Ichoptop]

the search function is your friend

shock thread (http://www.exriders.com/vbb/showthread.php?s=&threadid=431031&highlight=shock+adjust)