Abstract: A hand tool assembly having a foldable implement, such as a blade, and a retractable attachment clip having an actuator is disclosed. A retracting assembly may be coupled to the attachment clip; the hand tool assembly may include a rotatable cam assembly comprising a rotatable cam coupled to a rotatable cam arm having a lifter; the rotatable cam may be coupled to the implement; the rotatable cam may have an off-center rotational axis; when a user rotates the implement, the rotatable cam may also be rotated, causing the position of the lifter to be moved a distance, thereby causing movement of the actuator of the attachment clip thereby actuating movement of the extendable, retractable attachment clip; the foldable hand tool may include a locking assembly having a spine having lug element and a first tooth configured to detachably mate with a first tooth-receiving slot of the implement.

Abstract: The inventions relate generally to devices for trimming grass, such as string trimmers, that are attachable to a lawn mower and usable while mowing a lawn. More particularly, the inventions relate to a light-duty string trimmer wand attachable to a walk-behind lawn mower and independently operable to trim small areas of grass. Detailed information on various example embodiments of the inventions are provided in the Detailed Description below, and the inventions are defined by the appended claims.