How do I use amplifiers?

[BladeofDarkness]

I just found an Amplifier of Gibarta but I can't figure out how to use it... Would someone tell me?

Thanks in advance.

[Wewt]

Equip a Blue Barrier and the "use" command will appear.

BTW, the Blue Barrier is pretty rare...

[BladeofDarkness]

Crap, oh well better start lookin' then. Thanks!