Keep guinea pigs toenails clipped short every month with human toenail clippers. (2ndchance.info)
Do not clip the pups nails, just get him or her used to you holding the dog toenail clipper while touching the nails. (dog-health-guide.org)
Dog Nail Clippers and Trimmer - Toenail Clippers with Quick Safety Guard to Prevent Overcutting - Dog Nail Trimmer to Smooth Out Nails - Painless Grooming for Large Breed Dogs $ 13.95 (breedingbusiness.com)