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Hello, I would like to modify some new Noodler's Ahab pens as Christmas gifts. The first-step in fixing a new Ahab feed is (obviously) hacking the Ebonite feed so it writes properly. But I find this to be a time consuming chore. Certainly not something I want to do to a bunch of Ahab pens in a row. The basic feed hack consists of cutting away a small part of the rib channel so the long ink channel that runs lengthwise down the feed and the concentric rib channel meet. A picture may help at this point... There are rib channel barriers on both the top and the bottom of the feed. You start increasing flow by opening up one or two rib channels and proceed to open more channels if need-be after testing the pen. Once ink-flow is good, I complete the simiple modification by heat-setting the feed and nib. Sometimes I willl do one more step before heat-setting and grind the nib for more flex (EMF mod). The problem is the process of cutting away the rib channel material that is blocking the connection with the the channel running lengthwise along the feed. I use a small X-Acto knife with a small pointed blade to very carefully chip away at the blockage material bit-by-bit. I have to be careful to not break off the rib itself. The Ebonite (hard rubber) feed material is quite brittle. The solution? What I am looking for is some sort of saw or file to remove this material blocking the rib channel quickly, easily and safely. I don't think a knife will do it quickly. The feed material is brittle and you really need something that abrades the material away. I measured the rib channel width with a feeler gauge set and found the channel is about 0.01" (0.25mm) wide. A 0.01" feeler gauge slides between the ribs fairly easily while just making friction contact with ribs on both sides. I think a saw or file of some sort will have to be narrower than 0.01" to be able to work without the risk of damaging or breaking the feed ribs - perhaps 0.008" (0.2mm) in width. What if I were to use a 0.008" feeler gauge and heated it so it would remove the blockage material by melting it? Does anyone know of a tool that will do this work? I do not have the tools to fabricate something,from scratch, and my eyesight is not so good to begin with. Any suggestions are most appreciated. Thank You & Happy Holidays, David