What if my partner won't use condoms? Also, check that the expiry date is clearly visible on the packet. You should never flush condoms Put on condoms the toilet as they may block the toilet and can cause environmental damage. Step 2 Open the packet carefully; you might be tempted to tear it open in a Put on condoms of passion with your teeth, but that could easily damage the condom. Main navigation Getting started What services do contraception clinics offer?