Abstract: An exemplary coupling system described herein enables an individual to mount various accessories to a tree or stable column. According to one exemplary embodiment, the coupling system includes a set of corresponding mating members which have various attached accessories. Consequently, the system provides a convenient, portable, and inexpensive means to exploit the advantages of a tree for the purposes of hunting and/or nature watching.

Abstract: A tree-step system includes a fastener configured to be coupled to a vertical member, and a step component including a body, a weight-bearing member coupled to the body, and a light source associated with the weight-bearing member, wherein the light source indicates a location of the weight-bearing member.

Abstract: In one of many possible embodiments, an apparatus is provided that includes a main body; and a plurality of visual indicators coupled to said main body, said visual indicators including at least one directional command indicator.