to be honest, i had forgotten about the discs.. but now through reading some of these posts I am starting to remember.
I believe the discs held the power of the origami's in some fashion. as bobby said, they used some of the colour discs to control the other origami's. they could not use them without the discs?
so the discs were like the key.
so when they put the disc on their weapon, it is like they were channelling their power through the weapon?
i'm not sure about this, I can't remember but do you think it is plausible?
okk... i didnt intend to start an argument here... sorry guys
umm... after seeing the posts that were made here..... i decided to go check out shinkenger again to see for myself
and as bobby said... they do control the zords soo
point to bobby for that one
other than that i re-watched an episode where i remembered ryounouske (sp?) was using a fishing rod to try and catch the zord and the rod had a disk attached to it... he spun the disk... channeling his "mojikara" into it and then cast the line to try and catch the zord..... so theres another way of explaining it... that the disks gave them the power to channel their mojikara