A device is useful for collecting leaves or grass clippings from the ground plane and/or field on which they lie. In other words, the device finds application in the field of gardening and agriculture with the particular aim of contributing to the collection of loose material lying on the ground and /or field as the foliage fallen from a tree or grass lying on a lawn after it has been cut. Or, in some embodiments, the device is also suitable for defelting the plane, i.e., removing moss, and collecting the resulting loose material. The device is a J shaped metal rod hook [1] is made by iron. The gross collector are adjusted and arranged to collect the leaves or grass clippings from the ground plane and/or field on which they lie. The purpose of this invention is to provide a device that solves this problem, making it suitable to collect loose material in a more effective manner and reducing the need to unload the collected material to a minimum.