Ra across this on the internet, not sure if it has been posted before or not but found it interesting since one of the largest problems with fountain pens here seems to be ink flow (dry or no start). This directly addresses a feed test which should make it much easier to identify whether it is the feed or the nib that is the issue that needs to be addressed. https://r8---sn-a5m7zu7d.googlevide..._redirect=yes&mm=26&ms=tsu&mt=1409597003&mv=m