It's in the video description. "In his latest course, Equestrian Masterclass instructor Tik Maynard will take you through The Sending Game, and easy exercise that promotes a sense of exploration and curiosity in your horse. While it may look simple, you'll be surprised at how long it might take your horse to master the concept first of going AWAY from his/her person, and also searching/exploring for something on their own instead of being told what to do. Ultimately, you're looking for your horse to have a calm but alert and bright eye, who can be confident in the process of exploring without getting overly excited."
For what purpose?
It's in the video description. "In his latest course, Equestrian Masterclass instructor Tik Maynard will take you through The Sending Game, and easy exercise that promotes a sense of exploration and curiosity in your horse. While it may look simple, you'll be surprised at how long it might take your horse to master the concept first of going AWAY from his/her person, and also searching/exploring for something on their own instead of being told what to do. Ultimately, you're looking for your horse to have a calm but alert and bright eye, who can be confident in the process of exploring without getting overly excited."