A restraining device for temporarily coupling a domestic animal to a floor includes a post having a retaining lip and tether-resting channel. A locking plate positions on the post below resting channel. A first and second locking wing hingeably mount to the post and are operable from a closed position to an open position, and each locking wing includes a top-mounted locking feature retainer to selectively engage the locking plate. And, the first and second locking wing each respectively further comprising a plurality of carpet-engaging spikes. A smooth floor attachment device selectively couples to the first and second locking wings. The smooth floor attachment device includes a base having oppositely disposed pair of retainers on a top portion and an adhesive strip or other mechanism for selectively attaching the base to the floor on a bottom portion.