A portable platform for removable attachment to a vertically oriented basesupport includes aback portion and a base pivotably attached thereto. The back portion includesa couplingmember configured for connection to a mounting member attachable to avertically oriented basesupport. The base includes a brace extending therefrom. The base and backportion are movablebetween a folded configuration and an unfolded configuration such that thebrace pressiblyengages the vertically oriented base support when in the unfoldedconfiguration.
