A bait sling that stays rigid, not like the soft leather cack sold by others. The big guy at Brentwood put a lump of Vitalin 160 yards first chuck - the Labradors of Essex were proper knackered chasing that. Easy to use, don't have to spend hours winding in. Fantastic product sold out at the show in the first 5 mins and Bright Orange and you won't lose them!