Here are some tips on how to use body language to increase sales:

1. Maintain eye contact: Make sure to maintain eye contact with the customer. This not only shows that you are listening but also helps to build trust.

2. Smile: A smile goes a long way in making a customer feel comfortable and valued. It can help create a positive atmosphere and increase the likelihood of a sale.

3. Use open body language: Keep your body language open and relaxed. This helps to appear approachable and encourage the customer to communicate and engage with you.

4. Mirror the customer's body language: Pay attention to the customer's body language and try to mirror it subtly. This can help build rapport and establish a connection with the customer.

5. Avoid negative body language: Avoid crossing your arms, slouching, or turning away from the customer. This can make you appear disinterested or unapproachable, potentially leading to a lost sale.

6. Use hand gestures: Appropriate hand gestures, such as pointing to a product, can make it easier to communicate and create a visual connection with the customer.

By using these body language techniques, you can enhance your sales pitch and increase the likelihood of a successful sale.