THE CREDIT CARD NAIL TEST 🐾💳 Here’s a super simple way to check if your floof’s nails are too long… Slide a credit card between their nails and the floor. If it doesn’t fit, their nails are too long, and that can make standing or walking uncomfortable. At the correct length, there should be a small gap — one where you can easily slide any standard credit card. That means the dog’s weight is sitting properly on their paw pads (where it’s meant to be!). If those nails are touching the ground, it