Hey @cgagunga , the theoretical beauty of the proxy system is that it should allow you to override just the constraint values and have everything else still link to the original file. As of right now using the 2.3 daily builds however, this is still not the case. I thought for sure it would be by now! You may want to make the object fully local to wrap up the tutorial. Since we’re only working with a few objects and not actually changing the character, it shouldn’t be an issue. Alternatively, you could disable the linked constraint with the eye icon and create a new constraint with the same values below it – that will keep it linked and you’ll be able to animate it like you should.
