Related Clues:

• Print makers in snow
• What dogs 'shake' with
• Feline's four
• Pass back and forth backwards in mauls?
• Change over hands
• Makers of animal tracks
• Tiger's quartet
• Most cats have four
• They leave prints at some crime scenes
• What cats clean themselves with
• Treat holders
• Cats play with them
• Things with nails sticking out
• Labs might offer them
• Print sources, maybe