A father might not allow his daughter to touch something that could be dangerous, harmful, or inappropriate for her age. Here are some examples:

• Dangerous tools or equipment: Power tools, sharp knives, or machinery.
• Harmful substances: Cleaning chemicals, pesticides, or medications.
• Firearms or weapons: Guns, knives, or other potentially dangerous items.
• Pornography or adult content: Magazines, websites, or videos.
• Electrical outlets or exposed wiring: To prevent electric shock.
• A hot stove or oven: To prevent burns.
• Things that don't belong to her: such as personal documents, electronics, etc.

Ultimately, the specific items a father might restrict his daughter from touching will depend on her age, maturity level, and the potential risks involved. It's always a good idea for parents to communicate openly with their children about what they can and cannot touch and why.