Your perfect strap-on experience is on lock with Doc Johnson's deluxe line of full-service Vac-U-Lock™ Harness Sets. The Vac-U-Lock Dual Density ULTRASKYN™ Set is a solid investment for upgrading or beginning your strap-on accessories collection. offering multiple options in one box via a complete harness with removable o-rings and plug. three ULTRASKYN™ attachments. and a bottle of Mood water-based lube. These lifelike dual density attachments—an 8 Realistic Dong. a 7 Cock. and the bestselling 7 Slim Cock-- warm to body temperature with use and feature a soft. pliable exterior that gives way to a firm inner core. recreating the feel of a real erect penis. Attachments can be used with the harness. the included Vac-U-Lock™ suction cup. and any other accessory or harness in the line. The Vac-U-Lock™ Dual Density Starter Set also includes Doc Johnson® Natural Toy Cleaner and ULTRASKYN™ Refresh Powder to properly and hygienically maintain your dual density ULTRASKYN™ attachments. Every product in the patented Vac-U-Lock™ system is designed to help you create any strap-on or toy you're in the mood for. and it's as simple as popping on the attachment of your choice.