When practising Karate-Do it is normal to perform Mokuso before and after each training session.  This period of meditation allows you to place yourself in the proper frame of mind. Mokuso is done primarily in Seiza or formal sitting position.  In the Kanji depicted to the left is "KARATE-DO NYUMON", or "To enter the gate".  It is with this feeling one should begin the execution of MOKUSO. OSSU.