An article of furniture (22) having an opening (62) is configured with a support (20) operable to serve as a glide and as a floor surface protector. The support includes a body (40) having a boss (45) with a plurality of collapsible mounting boss sections (65). The boss sections define an axial passage (80, 90) therebetween and extending through the body. When inserted into the opening in the article of furniture, the edge defining the opening moves the boss sections radially inward relative to the edge of the opening toward a collapsed condition. The support further includes a wedge configured to be driven by an applied force into the passage of the body. The driven wedge is configured to move the boss sections apart against the edge of the opening to secure the body member to the article of furniture.