Abstract: A male-female quick connect system is described, along with related methods and uses. Example applications include using the strap as an exercise resistance trainer band, a boating mooring connector, a replacement or supplement to freight transport tie-downs, and others. An interchangeable strap connection system is described, having: a male connector; a strap connected to the male connector; a plurality of female sockets spaced from one another and anchored to a substrate, with each female socket structured to permit the male connector to interchangeably quick connect with and quick release from the female socket.