Grappling Hook by Perry McGee from the National Tracking School discusses the Grappling Hook designed for carrying under the seat of a LandRover during the 2014 Bushcraft Show, Derbyshire UK
In a recent conversation with Perry, he told me he has in production “a smaller man portable grappling hook, which is ideal for use as a survival climbing aid in difficult terrain or conditions by an individual or group” contact Perry McGee for more details and availability
Primitive Survival Skills 