So I've been told I should be able to use my direkt with the fkirons RPGs grips without any tensioner on the needlebar, but no matter what I seem to do it rides up and off the armature nipple. Due to the band in the techs I actually had it pop off and kick across the room on me. I was told to bend the needlebar down a little bit, but it still rides up. If I put an extreme bend in it it still rides up and then rubs against the top of the tube bogging the whole machine down. Before I bother fkirons again, I was curious if anyone has the same problem or has solved it already. I've tried both the 3.5 and 4 mm strokes. And run them between 7-8.5 volts usually. Thanks for your time!