Hoppes shotgun boresnake.
Hoppes Bore Snakes are a ideal way to effectively cleaning your gun while out in the field. The Hoppes Bore Snake is a flexible woven cotton floss with integrated brass brush embedded in cord which loosens hard deposits. It makes cleaning your gun a quick and easy job just pull it through the barrel a few times and your barrel will be clean. Its fully washable meaning it can be used time and time again.