There are some things Mustahab in Ramy al-Jamarat:
1- Having the ablution while performing Ramy.
2- Saying this prayer while having pebbles in the hand:
اللّهُمَّ هذِهِ حَصَیَاتی فَاَحْصِهِنَّ لی وَ ارفَعْهُنَّ فی عَمَلِی
3- Saying Takbir with each pebble which is hurled.
4- Saying this prayer after hurling each pebble:
اَللّهُاَکْبَرُ، اَللّهُمَّ ادْحَرْ عَنِّی الشَّیْطانَ، اَللّهُمَّ تَصْدِیقبِکِتابِکَ وَ عَلى سُنَّةِ نَبِیِّکَ مُحَمَّد صَلَّى اللّهُ عَلَیْهِ وَآلِهِ، اَللّهُمَّ اجْعَلْهُ لِی حَجّاً مَبْرُوراً، وَ عَمَلمقْبُولاً، وَ سَعْیاً مَشْکُوراً، وَ ذَنْباً مَغْفُوراً
5- If it is possible observing the distance of five or seven and a half meter between the performer and the Jamarah al-Aqaba and standing close to the Jamarah al-Uula and the Jamarah al-Wusta.
6- Performing Ramy on al-Jamarah al-Aqaba facing the Jamarah and back to the Qibla and performing Ramy on the Jamarah al-Uula and al-Jamarah al-Wusta standing back to Qibla.
7- Reciting this prayer after returning Mena to his/her position:
اللّهُمَّ بِکَ وَثِقْتُ، وَ عَلَیْکَ تَوَکَّلْتُ، فَنِعْمَ الرَّبُّ، وَ نِعْمَ الْمَوْلى، وَ نِعْمَ النَّصیرُ