A portable stand includes a shelf having a back plate with a front surface and a rear surface, wherein the back plate includes at least two attachment locations and at least one securing locations, a bottom flange forming an angle with the back plate, extending toward the front surface at a first angle from the plate, and a mounting element. The portable stand includes a shelf extension including two elongated flanges formed at an angle equal to the first angle configured to selectively couple to the shelf, and an arm pivotably attachable to the shelf extension.