My Bunston was very scared during nail trims, and was impossible to trance (which I know is a contentious issue)! With him it was a 2 person job. I would hold him so that his side was against my body, one arm under is bum supporting his weight, other arm holding his front end and pressing him into me. I would shift him slightly to expose each foot, while my partner would trim the nails. The whole process was less than 10 minutes. I would wear a thick sweatshirt, because after we were done he would usually turn and “dig” at me lol. We would get lots of scornful foot thumps and dirt flicks afterward, but he would forgive us pretty quickly.
Before I had a helper, I would take him to my local house rabbit society for trims. If you have a group near you, they may also be able to show you some correct ways to hold your bun during trims.
I have also heard of some people desensitizing their buns using clicker training. The videos are on youtube (linked below). First they got them used to having their feet handled without picking them up. Then they would “trimming” pieces of raw spaghetti near the bun’s foot, to get them used to the sound (apparently the sound can be as shocking as the sensation). Then eventually they were able to trim the nails on the ground, without handling the bunny at all! Since it sounds like your bun is usually fine with being handled, this might be something to look into!
I saw another training vid where they made it a game for the bun to “attack” one of those sanding blocks, that has sandpaper on each side, to help wear down the bunnies nails without trimming. You would still need to trim the back ones though.
Here’s the video I was thinking of that show’s the “spaghetti ” training: https://www.youtube.com/watch?v=OEFrHZbw6tQ
And here’s the one that shows how to train them to file their nails themselves! https://www.youtube.com/watch?v=jr4CSlPopjg
As a side note, both channels have lots of other nifty clicker training videos to help get started, and so many cute tricks and games to play with them!
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.