How do you make a hole in a sea shell?

To make a hole in a seashell, you can use a rotary tool with a diamond bit or a small drill bit designed for hard materials. First, secure the shell to prevent movement, then gently drill at a low speed, applying light pressure to avoid cracking. It's important to keep the bit cool by using water or a lubricant. Always wear safety goggles to protect your eyes from shell fragments.