(NON-RETAIL, BULK PACKAGING) Vac-U-Lock Plug with Snaps Bulk. One sided plug for harness attachments. Safeguards to harness with snaps. Made using phthalate free, non-toxic materials Abs plastic, fiberglass. Vac-U-Lock is really a US patented harness attachment system. It had been the very first available twenty years ago if this was created and is proven to function as the most powerful brand in harness systems today. With numerous attachments, plugs and full harness systems, Vac-U-Lock is a brand-encompassing modular sex system that provides the consumer the opportunity to pair different attachments with various harnesses and Vac-U-Lock plugs to produce infinite options. Vac-U-Lock Modular Sex System Accessory from Doc Manley Novelties the truly amazing American Toy Company. New image added May 20, 2013