Hi all,new here, I'm building a new gaming rig and it looks like there are some knowlagable people here so hopfully I might learn somthing so I have a querry , dose anyone know what the extendable blue bits are for on the clear side of a Jeantech Aqua case, they click as you pull them forward and to release them you have to pull a small tab and then push them back,whats it all about
