Harkila Retrieve Shotgun SlipHarkila Retrieve Shotgun Slip The Retrieve Canvas Leather Shotgun Slip is 135 cm long and made from canvas and hard wearing full grain leather, which will acquire a patina and become even more attractive with use. The slip has a soft Sherpa fleece lining and a canvas carrying strap with a shoulder pad for comfort. To see more from Harkila , visit the Harkila Collection