US Patent 8439401 Caution pole

A caution pole for embedding in a support medium for drawing attention to potential hazards includes a generally elongate pole body with a proximate end portion formed with a pointed tip for insertion into a support medium, a metal impact cap fitted over the end opposite the proximate end portion of the pole body, the impact cap including a generally cylindrical body having an access opening on one end thereof and a substantially planar surface opposing the access opening, and a clip disposed on the pole body having a base and an arm capable of securing an attachment to the caution pole.