Patent attributes
A rail post mounting device/vertical extension systems for a deck, patio boundary or fence rail posts to alter the appearance of the posts by suspending plants in a structurally sturdy manner. The mounting device is configured to be inserted into a hollow fence post defining a chamber, and comprises a cover member having a top surface configured to hold one or more accessory items, and a bottom surface configured to engage the top of the hollow fence post, and an elongated insert member attached to the bottom surface of the cover member, which is configured for insertion into the post chamber. The elongated insert member also comprises a plurality of resilient retention arms configured to extend toward and pressingly engage with sidewalls of the post chamber.