How do you use a mustache curler?

Based on the provided reference, using a mustache curler involves rolling the hair around the curler to achieve a curl.

Here's a breakdown of the process:

1. Preparation: Ensure your mustache is clean and slightly damp. You may want to apply a mustache wax or styling product for better hold.
2. Positioning: Place the end of the mustache hair onto the curler.
3. Curling: Begin rolling the curler upwards, making sure all the hairs are being wrapped around it. Continue rolling until you achieve the desired curl.

More detailed instructions may be available in the referenced YouTube video.