Originally Posted by hlkimfung
LM and FP Radical MP is not able to be capped, the ridges bump out at 4 and 8
Definately not LM, FP, MG grommet can cap
Maybe I-Prestige grommet can cap, since the cap end at 4 and 8, haven't try it though
All you need is an exacto knife and about 3 to 5 minutes.
You have to be careful where you cut the 'CAP part' - but once you know where to cut, it's pretty easy.