What is STP Packer without an erection? If you‘re looking to have the best from both worlds then our FTM Erection Rod is your best choice. It’s specially designed to go hand in hand with our First Gen STP packer. For many transgender men being able to stand and pee is a crucial element of being male, but to have actual intercourse is even more important. With Emisil FTM Erection Rod turn your ordinary STP packer into a fully functional sex toy.