Titanmen The Hollow Clear. The Hollow offers an Anal Adventure! The unique open tunnel design allows access that no other plug can. Endless exploration possibilities. Insert fingers, lube, or even a vibrator right through the tunnel. Is not it time to stretch your imagination? For the man who seeks adventure. From the leader in the adult toy: comes a collection of Titanic proportions. Anal plugs features: hollow design allows unparalleled access with 1 inch tunnel opening. Generous size provides satisfying full feeling pleasure. Dual textured finish for increased backdoor stimulation. Ergonomic shape for easy insertion. Flat base for comfortable wear and easy removal.