Not FoundApply glue to inside of mortise as shown.
Not FoundMake sure pre-drilled holes are to the inside of the table leg before you insert the skirt tennon. If there is not enough glue on the surface, add some more glue as needed.
Not FoundPosition the assembled parts so you can easily reach the pre-drilled holes with a drill.
Not FoundChoose the correct length of screw to use for the application. (This is determined by the size of the leg being used.) Brace firmly, or use bar clamp to hold skirt and leg together while inserting screws.