SET OF 2 PCS Silicone Replacement P-e-n-i-s Pump Sleeve Attachment Cover Rubber Seal For Most P-e-n-i-s Enlarger Device Pump Accessory

It doesn't work, just gets sucked up into the pump

Much better than expected. There is no need to go into detail any further. :)

Total waste of money. Frustrated enough to just throw it away.