Abstract: A pool furniture includes a support structure and a furniture weight system. The support structure defines a hollow interior. The support structure includes a rest surface and an underside. The furniture weight system is attached to the support structure. The furniture weight system includes a fillable anchor and a cap. The fillable anchor defines a hollow interior and an opening in communication with the hollow interior. The fillable anchor can receive a fill material to increase a mass of the pool furniture. The cap can selectively attach to the fillable anchor to cover the opening and inhibit fill material from escaping the hollow interior.

Abstract: A modular clamp base for manipulating a target object includes at least two interchangeable side plates and a central gripping member. The interchangeable side plates are configured to detachably attach to opposing surfaces of the central gripping member. The central gripping member includes an attachment end proximal to a lower end of the central gripping member; the attachment end configured to detachably attach to the target object.