The kodachi, a shorter sword or dagger in Japanese martial arts, can be safe when used responsibly and within the context of proper training. However, as with any bladed weapon, safety precautions should always be taken.

Here are some factors to consider regarding the safety of using a kodachi:

1. Training and Skill: Proper training and skill development are essential for safely handling a kodachi. It is important to receive instruction from a qualified instructor who can teach you the correct techniques, handling, and safety protocols associated with the use of a kodachi.
2. Controlled Environment: Practice with a kodachi should take place in a controlled environment, such as a martial arts training facility or suitable training space. This helps minimize the risk of accidents and provides a safe setting for learning and practicing techniques.
3. Protective Gear: When training with a kodachi, it is advisable to wear appropriate protective gear, such as padded gloves, forearm guards, and possibly a face mask or headgear. This can help prevent injuries in case of accidental contact.
4. Supervision: Beginners or those unfamiliar with the kodachi should have proper supervision during training sessions. A qualified instructor or experienced practitioner can provide guidance, corrections, and ensure safety protocols are followed.
5. Communication and Respect: When practicing with a partner, clear communication and mutual respect are crucial. Establishing and maintaining a safe training environment includes using proper signaling, understanding boundaries, and avoiding reckless or dangerous behavior.
6. Maintenance and Inspection: Regularly inspect and maintain the condition of the kodachi. Ensure the blade is secure and free from any damage or defects that could compromise its safety during use.

It's important to remember that safety should always be a top priority when practicing with any weapon, including the kodachi. Proper training, responsible use, and adherence to safety guidelines are essential to minimize risks and ensure a safe training environment.