When you don't have a tongue scraper on hand, there are a few alternative methods you can try to clean your tongue effectively:

1. Toothbrush: You can use your toothbrush to gently brush your tongue. Make sure to reach the back of your tongue where bacteria tend to accumulate. Use a toothbrush with soft bristles to avoid any irritation.

2. Spoon: Another option is to use a spoon as a makeshift tongue scraper. Hold the spoon upside down and use the curved edge to scrape your tongue from back to front. Rinse the spoon after each scrape.

3. Saltwater rinse: Prepare a solution of warm water and a teaspoon of salt. Swish the saltwater mixture in your mouth for about 30 seconds, focusing on moving it around your tongue. This can help remove some of the bacteria and debris.

4. Mouthwash: Using an alcohol-free mouthwash, swish it around in your mouth for 30-60 seconds, making sure to coat your tongue as well. This can help freshen your breath and reduce bacteria on the tongue.

Remember, cleaning your tongue regularly is important for maintaining good oral hygiene and preventing bad breath. If possible, consider investing in a tongue scraper as it is specifically designed for efficient tongue cleaning.