Kink Wet Works Lube Luge Premium Silicone Plug 4 inches Black. Experiment with slippery, messy, ass filling fun with the Lube Luge 4 inches silicone trough style plug. An opening in the base connects to the Lube Luges length wise open center to completely fill your hole with lube or other liquids of your choosing, with the option to connect your favorite funnel, nozzle, or tube. Smooth, flexible silicone and a tapered tip allow easy insertion. Features: hole in base allows funnel, nozzle or tube insertion. Length wise open center distributes liquids internally. Tapered tip and flexible midsection for easy insertion. Silky smooth surface. Phthalate free, body safe.