My wife needed something to hold her cell phone while riding, so I decided to make a horn bag for her saddle. Hope you enjoy the video and it encourages you to make something of your own. For more information, visit: https://www.flyingaoutfitters.com/leather-working/making-a-horn-bag
Or browse the template for this horn bag: https://www.flyingaoutfitters.com/trading-post/p/horn-bag-template