US Patent 10080948 Self-contained portable retractable sports training backdrop apparatus

A self-contained, portable and retractable apparatus is described that transforms a sufficient smaller space into a suitable place, either indoors or outdoors, where a large space is unavailable, into a practice facility for sporting activity skills. This backdrop apparatus allows practice of hitting or throwing of a ball or other object in a contained environment and may also be used for virtually playing at any famous location.