I've got two GPs and am clueless when it comes to nail clipping. I'm also too scared to do it myself so sent DP off to the vets with them a couple of months ago as their claws felt very sharp. But the vet who saw them said they weren't long enough to clip and managed to cut too deep on one and sent poor piggie almost through the roof.
I've got no choice but to use the vet as I really don't have the confidence to try myself, so, my question is, how often would you expect to clip their claws?