Intensify your pleasure with the COLT Muscle Nips Pump. The heavy-duty pump is designed for nipple play and boasts intense suction action for mind-blowing ecstasy. The pump comprises of 2 multi-use transparent acrylic cylinders with secure seal, ultra flanged base, a flexible removable silicone hose and quick air release valves. Easy squeeze trigger action ensures ultimate pumping stimulation and perfectly erect results every time. The air hoses easily detach while maintaining superior suction. The cylindrical pumps are easy to attach to the nipples, and the hoses feature independent on/off valves for customized use.