Originally Posted by myka
I just ordered a narbish and the mouth piece is supposed to be wide, but the gauge of the hose is the width of a nammor. If the pull is easier than a nammor with the widened mouth piece, It will make this observation 100% true.
The tips are somewhat larger but the gauge of the holes is the same on the Narbish tips as they are on the Razan ones. I'm still rebuilding my Narbish but one of the things I've done already is bore out the tips. The bulkier tips do allow for a wider bore while still being sturdy.
Here are some pics for comparison. The Razan tips are in black and unmodified. The Narbish tips are in blue and bored out.