Paul's mask is part of a rubber latex pig mask that has been cut out and had leather straps added to it. After you have gone to the effort of finding a pig mask (Halloween or joke shop being best), cut it so it fits your face loosely. Following this cut out a pair of eyes and a mouth if they aren't already there. Make sure the entire top portion of the mask has a tight fit. Paul, Jim and Chris all have the same strapping to their masks and the instructions for this are below. For the finest of details add black riveted leather and you can add a lock to the nose although Paul has now removed this.
The upper portion consists of the leather strap that goes over the head to meet the ring. Attach the ring at the middle of the forehead. If you want, you can just use basic straps to hold the mask. The strap underneath the ear is attached to the ring in the back of your head. No rivets. The strap on top of your ear is connected to the same ring at the back of your head. No rivets on this one too. This one pertains to the strap that wraps around your head. I recommend measuring your head's circumference and the strap should be a bit longer. This strap supports the whole mask and is the most important of all, therefore it is riveted. It is also connected to the ring at the back of your head. You can also add another strap that is fastened below your chin for a better hold. Be sure that it fits just right.