Wearing an external condom that is too big can cause it to slip off, and wearing one that is too small can cause it to break. Condom size charts are an easy way to choose which size is best for you.
Read on for a full explanation of the rules, including a DnD size chart to get a feel for scale. In Dungeons and Dragons, size dictates how much space you take up on a map. The Player’s Handbook ...