A hot fix rhinestone is a type of decorative gemstone that can be easily applied to various surfaces using heat. It is often used in fashion and crafts to add a touch of sparkle and glamor. The hot fix rhinestones have a heat-activated adhesive on the back, which allows them to be easily attached to fabrics, leather, plastic, and other materials.

To apply hot fix rhinestones, you will need a heat source, such as a hot fix applicator or a household iron. Here's a step-by-step guide:

1. Prepare your surface: Make sure the surface you are applying the rhinestones to is clean and dry. Remove any dust or debris that may prevent the rhinestones from adhering properly.

2. Arrange the rhinestones: Plan out your design and arrange the rhinestones on the surface. You can use tweezers or a rhinestone picker to handle the small stones.

3. Heat up your applicator: If you are using a hot fix applicator, follow the manufacturer's instructions to heat it up. If you are using a household iron, set it to the appropriate temperature (usually the cotton setting without steam).

4. Apply heat: Place the hot fix rhinestone on the desired spot and apply heat to the back of the stone using the applicator or iron. Press down gently but firmly for a few seconds to activate the adhesive.

5. Repeat the process: Continue applying rhinestones one by one, reheating the applicator or iron as needed. Take your time to ensure each rhinestone is securely attached.

6. Let it cool: Allow the rhinestones to cool completely before handling or wearing the item. This will ensure that the adhesive sets properly.

Remember to always read and follow the instructions provided with your hot fix rhinestones and applicator. With some practice, you can create beautiful designs with these sparkling gems.