Want a strap-on that's perfectly tailored to YOUR needs? Meet Vac-U-Lock Strap-Ons, the hardest working, highest quality strap-ons on the planet! Just like the "Snap-On Tools" of the sex toy world, Vac-U-Lock Strap-Ons incorporate a plug-in attachment system (as opposed to the traditional O-Rings) for better control and faster interchangeability. Like variety? You can experience endless possibilities with Vac-U-Lock's patented modular design and a diverse array of dildos and attachments. Whether you want to start small or go large and in charge, our variety of vac-u-lock compatible toys will allow you to create your perfect Strap-On set just for the night, or for LIFE! Simply snap the Vac-U-Lock plug into your harness, and press the hollow base of your Vac-U-Lock dildo until you get an airtight seal, and enjoy.