Choose the correct size; it should fit snugly without pain
Use lubricant to help with placement and comfort
Put it on when the penis is soft or partially erect
Place it at the base of the penis, or around the penis and testicles if designed for that use
Do not wear it for more than 20 to 30 minutes at a time
Remove it immediately if there is pain, numbness, coldness, discoloration, or swelling
Remove it if the erection becomes uncomfortable or if circulation feels restricted
Clean it thoroughly after each use according to the material instructions
Do not use it while sleeping
Do not use it if you have circulation problems, blood disorders, or take blood-thinning medication without medical advice
Stop using it and seek medical help if it gets stuck or causes severe pain