Vac-U-Lock Modular System Hollow Extension 7" with Snaps Vibrating DJ101508. Vac-U-Lock Hollow Extension 7" with Snaps can be used by men with or without an erection. Either insert penis inside or let it hang below extension. Internal sleeve is 6 inches deep. This dong can only be used with a vac-u-lock harness with snaps. Hollow penis extension measures 7 inches - 8 inches long by 1.5 inches to 2 inches wide. Compatible with Vac-U-Lock Sex System. Made using phthalate free, non-toxic materials: Sil-A-Gel, PVC. Color White. 2 AA batteries, not included. Doc Johnson Novelties Catalog.
