Preferable acts (Mustahabat)

Acts preferable in Salat

1) Pull the palms out of the sleeves while saying Takbeer Tahreema. 

2) Saying Tasbeeh more than 3 times in Ruku and Sajda by Munfarid. 

3. To keep the eyes towards the place of Sajda in Qiyam, at the toes in Ruku, towards the lap in Qa'ida and Jalsa, and at the shoulders while turning for Salam. 

4. Try best not to cough. 

5. To try and keep the mouth closed when yawning, but if it is opened, to cover it by the upper portion of the right hand in Qiyam and by the left hand in all other postures. 

These images are for Illustration only. Please see the following book for reference

Talimul Haq (Hanafee) by Shabbir Ahmad E Desai