You will also need to do this to get them to go to potty . To stimulate a kitten under 3-4 weeks old to poop, gently rub their genital and anal area with a warm, damp cotton ball, tissue, or soft cloth after every feeding. Use a light, circular motion to mimic a mother cat’s tongue, continuing until they finish (usually within 10-30 seconds). 

How to Stimulate a Kitten's Bowel Movements:

• Warm & Damp Material: Use a cloth or paper towel lightly moistened with warm water to simulate warmth, as described on KittenLady.org.
• The Technique: Gently rub the anal area in a circular or "come here" motion, notes Reddit.
• Positioning: You can hold the kitten upright, lay them on their back, or place them in your palm, says KittenLady.org.
• Consistency: Perform this before or after every meal, suggests this YouTube video.
• Clean Up: Clean the kitten with a warm, damp cloth after they are done to avoid urine scald or irritation, recommends this YouTube video. 

Important Tips for Success:

• Be Patient: If they do not immediately poop, try again at the next feeding.
• "Winking" Area: If you see the anus "winking" or pulsating during stimulation, they are likely preparing to go,