We always look for more positive video testimonials when we have a great relationship with a client. Here is a script you can use for requesting these with a platform that makes collecting them easily:
Hi [first name],
We’ve made such great progress together. I wonder if you’d consider creating a video testimonial to inspire others. There’s 100 bucks in it for you if you’re interested. We want to put more client testimonials on our website and social media so that people who are struggling know this program could work for them. Linked here are more details. What do you think?