Linn was, at one point in its history, all out for plastic backed microfinishing film (the green one made by 3M). I don't know the grit, but such pieces were being handed to participants at an 'oficial' Linn seminar. Mi piece did not have the grity number printed. How effective this is? Don't know...
They came all the way down from Scotland to the Caribbean just to teach a seminar--He he...beach time!!!
They came all the way down from Scotland to the Caribbean just to teach a seminar--He he...beach time!!!