Abstract: Jaw-type devices are disclosed which are designed to be utilized by heavy equipment, such as tractors, front-loader machines, skid steers, mini track loaders, fork lifts, etc., to grasp, cut, move, lift or otherwise manipulate a variety of objects, such as trees, rocks, hay bales, paper bales, potted plants, etc. The jaw-type devices are configured to be removably attached to a piece of heavy equipment, e.g. through a standard mount such as a three-point hookup or front-loader universal quick attachment plate such as are typically provided on heavy equipment, and to receive a variety of interchangeable attachments.