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I was saying not to bend the needle bar to take care of your grommet shredding problem. Like what's already been said, silicone tubing might help softer things up a little & the silicone won't shred...

I don't know exactly how you set things up but, if you put the grommet in the needle bar w/out bending the loop on the needle bar then put it on the machine, it doesn't allow for any play in between...

I have been under the impression that the V3 has a faster motor in it.