A keyboard palm rest includes a base including a raised intermediate member, first and second cavities extending from two sides of the intermediate member respectively, and first and second grooves disposed through the first and second cavities respectively; a first pad including a first projection slidably disposed in the first groove; a second pad including a second projection slidably disposed in the second groove; a first sliding member including a first resilient member moveably disposed in the first cavity, and a first fastener driven through the first resilient member into the first projection to pivotably secure the first pad to the first sliding member; and a second sliding member includes a second resilient member moveably disposed in the second cavity, and a second fastener driven through the second resilient member into the second projection to pivotably secure the second pad to the second sliding member.

A desk apparatus includes a first member, a second member, and a third member. The first member includes first elongated slots. The second member includes second elongated slots. The second member includes first wheels that position in the first elongated slots. Further, the third member includes second wheels. The second wheels' position in the second elongated slots. The third member moves vertically along the second elongated slots with the help of the second wheels. The second member moves horizontally along the first elongated slots with the help of the first wheels. An object is placed over the first member. The desk apparatus allows the user to place his/her hand over the third member and move the second member and the third member to a desired position over the first member to perform a desired task on the object.