Identify your triggers
Keep nails trimmed short
Use a bitter-tasting nail coating
Cover nails with bandages or gloves
Replace the habit with a fidget item
Keep hands busy with another activity
Practice stress-reduction techniques
Avoid situations that increase biting
Set reminders to stop
Track your progress daily
Reward yourself for not biting
Get regular manicures or nail care
Chew gum or use a toothpick substitute
Apply hand lotion to make biting less appealing
Ask friends or family to point it out
Seek professional help if it persists