Entering and leaving the toilet
1. Enter with the left foot and leave with the right.
....No evidence for entering with the left foot and leaving with the right was found. Therefore, it seems that general evidences indicating the use of the right for good and the left for the opposite have been used.
2. Supplicate when entering the toilet.
(See the first attachment)
3. Supplicate when leaving.
(See the second attachment)
....People use the bathroom many times during the day and night. If they observe these Sunnah for entering and leaving every time they go, they will fulfill two Sunnah for entering and two Sunnah for leaving.
....Al-khubth and Al-khabaa'ith - These are male and female devils. In order to be protected by Allah from their evil, one should seek refuge from them when entering the toilet. The toilet is one of their places of abode. (There are two opinions as to the meaning of Al-khubth and Al-khabaa'ith. The first is that it means, all evil and evildoers and the second is that it means, male and female devils. The Shaykh - scholar of Islam - follows the latter opinion.)