Footrest

An article of manufacture comprising:

• a first portion, the first portion comprising:
• a first top surface comprising a plurality of lobes and one or more interstitial portions between the plurality of lobes, wherein the first top surface is contoured;
• a first bottom surface, wherein the first bottom surface is substantially planar;
• and
• a first edge defined by the intersection of the first top surface and the first bottom surface, the first edge having a front edge portion, a back edge portion, a right edge portion, and a left edge portion, wherein each lobe of the plurality of lobes and each interstitial portion of the one or more interstitial portions extends from the front edge portion to the back edge portion.

A height-adjustable footrest comprising:

• an upper portion having a contoured top surface and a substantially planar bottom surface, wherein the top surface and the bottom surface meet to form an edge;
• a lower portion having a substantially planar top surface, a substantially planar bottom surface, and a side surface extending between the top surface of the lower portion and the bottom surface of the lower portion, wherein the height of the footrest is adjustable by placing the upper portion on the lower portion;
• and
• a retaining mechanism configured to maintain the upper portion on the lower portion.